Abdelhay, Mohamed Abdelghany, Ahmed Mahmoud Youssef, and Mohamed Hamdy Awad. “Asymmetric Cost Behavior Across Life Cycle Stages”. International Journal of Accounting and Financial Reporting 11, no. 3 (September 1, 2021): Pages 65–86. Accessed October 5, 2024. https://macrojournal.org/index.php/ijafr/article/view/1441.