تنوع محصول و بازده حقوق صاحبان سهام با رویکرد چگالی کرنل در شرکت‌های پتروشیمی

Abdullajanovich, U. T. (2021). The Main Directions of Diversification of Exports of Industrial Products on the Basis of Localization. Galaxy International Interdisciplinary Research Journal, 9(12), 70-75.

Al-Ghamdi, M., & Al-Mansour, F. (2020). Product Diversification and Financial Performance: A Study of Saudi Petrochemical Companies. International Journal of Financial Research, 11(3), 245-259.

Al-Mutairi, A., & Al-Mutairi, H. (2019). The Impact of Product Diversification on the Financial Performance of Petrochemical Companies: Evidence from the GCC Region. Journal of Economic Studies, 46(5), 1063-1081.

Al-Saleh, Y., & Al-Kandari, A. (2017). Product Diversification, Performance and Corporate Value: Evidence from the Petrochemical Industry. International Journal of Business Performance Management, 18(2), 147-164.

Daniali Deh Howz, M. (2025). Identifying Barriers to Organizational Agility in Marun Petrochemical Company. Strategic studies in the oil and energy industry, 17(65), 237-258.

Ebrahimi, S. K., Bahrami Nasab, A., Bostani, H., & Fakharmansh, M. (2017). The Effect of Diversification Strategy on Corporate Profitability. Financial Accounting and Auditing Research, 9(35), 121-134.

Ehiedu, V., & Priscilla, I. C. (2022). Effect of Corporate Diversification Strategies on the Financial Performance of Industrial Goods in Nigeria. International Journal of Applied Research in Social Sciences, 4(8), 293-305. https://doi.org/10.51594/ijarss.v4i8.390

Esta, S., Parsafard, B., & Sheikhi, H. (2025). The Effect of Oil Price Fluctuations and Stock Returns on the Level of Corporate Investment. Strategic studies in the oil and energy industry, 17(65), 73-94.

Garrido-Prada, P., Delgado-Rodriguez, M. J., & Romero-Jordán, D. (2019). Effect of Product and Geographic Diversification on Company Performance: Evidence during an Economic Crisis. European Management Journal, 37(3), 269-286. https://doi.org/10.1016/j.emj.2018.06.004

Ghadirinejad, G., Rajabbeygi, M., & Gholami, A. (2024). Identifying Components Affecting Talent Management Using Thematic Analysis in the Oil Products Distribution Company. Strategic studies in the oil and energy industry, 16(62), 259-314.

Harandi, A., & Komijani, G. (2024). Designing a Model of Strategic Risks in Iran's Petrochemical Industry. Strategic studies in the oil and energy industry, 16(64), 45-74.

Jouida, S., & Hellara, S. (2018). Diversification and Target Leverage of Financial Institutions. Journal of Multinational Financial Management, 46(1), 11-35. https://doi.org/10.1016/j.mulfin.2018.06.001

Kheirkhah Askarabad, M., Shirmohammadi, Y., Mirmohammadi, S. M., Shahnazari, A., & Abdolmanafi, S. (2025). Developing a Model for Creating Organizational Sustainability through Open Innovation in Iran's Petrochemical Industry. Strategic studies in the oil and energy industry, 17(66), 57-78.

Li, C. M., Cui, T., Nie, R., Lin, H., & Shan, Y. (2019). Does Diversification Help Improve the Performance of Coal Companies? Evidence from China's Listed Coal Companies. Resources Policy, 61(1), 88-98. https://doi.org/10.1016/j.resourpol.2019.01.013

Lorenz, S., & Stephan, M. (2025). Performance Effects of Knowledge Diversity and Knowledge Relatedness in Different Phases of the Innovation Process. DRUID Academy Conference, Rebild, Aalborg, Denmark.

Majeed, A., Jiang, P., Mahmood, A., Khan, M. A., & Olah, J. (2021). The Impact of Foreign Direct Investment on Financial Development: New Evidence from Panel Cointegration and Causality Analysis. Journal of Competitiveness, 13(1), 95-114. https://doi.org/10.7441/joc.2021.01.06

Nguyen, T. H., Elmagrhi, M. H., Ntim, C. G., & Wu, Y. (2021). Environmental Performance, Sustainability, Governance and Financial Performance: Evidence from Heavily Polluting Industries in China. Business Strategy and the Environment, 30(5), 2313-2331. https://doi.org/10.1002/bse.2748

Rajabpour, E. (2025). Green and Non-Green Consequences of Green Human Resource Management in Petrochemical Companies. Strategic studies in the oil and energy industry, 17(66), 203-226.

Sajjadi, S. H., Nikkar, J., & Hajizadeh, S. (2018). Investigating Different Aspects of the Firm Growth Process in Different Periods of Product Diversification. Accounting Advances, 10(3), 74-88.

Sheikh, S. (2018). Corporate Social Responsibility, Product Market Competition, and Firm Value. Journal of Economics and Business, 98(1), 40-55. https://doi.org/10.1016/j.jeconbus.2018.07.001

Solano, L. V. L., Brümmer, B., Engler, A., & Otter, V. (2019). Effects of Intra- and Inter-Regional Geographic Diversification and Product Diversification on Export Performance: Evidence from the Chilean Fresh Fruit Export Sector. Food Policy, 86(1), 101730. https://doi.org/10.1016/j.foodpol.2019.101730

Tajabadi, H., & Mohebi-Manesh, O. (2020). Investigating the Effect of Workplace Spirituality on Employees' Comprehensive Mental Health: A Study in Pasargad Petrochemical Company, Asaluyeh. Strategic studies in the oil and energy industry, 11(43), 161-180.

Tanui, P. J., & Serebemuom, B. M. (2021). Corporate Diversification and Financial Performance of Listed Firms in Kenya: Does Firm Size Matter? Journal of Advanced Research in Economics and Administrative Sciences, 2(2), 65-77. https://doi.org/10.47631/jareas.v2i2.235

Tayebi Khorrami, M., Shirvani, A., & Dasht La'li, Z. (2024). Identifying and Validating the Dimensions and Components of Digital Human Resource Management in the Country's Gas Refineries: A Study of South Pars Gas Complex. Strategic studies in the oil and energy industry, 16(64), 179-202.

Vares, S. H., & Khazaei, B. (2019). Investigating the Effect of Business Portfolio Diversification Strategy of Parent Companies on Financial Performance Using a Nonlinear Model. Business Management, 11(2), 437-456.

Xu, M., Wu, J., Liu, M., Xiao, Y., Wang, H., & Hu, D. (2018). Discovery of Critical Nodes in Road Networks through Mining from Vehicle Trajectories. Ieee Transactions on Intelligent Transportation Systems, 20(2), 583-593. https://doi.org/10.1109/TITS.2018.2817282