Nuraeni, A., S. Wahyuni, A. Nuraini, and D. Haryadi. “Factors That Affect the Profitability Ratio in Manufacturing Sector Companies for the Period 2018-2022”. Journal of Management Science (JMAS), vol. 7, no. 1, Jan. 2024, pp. 32-37, https://exsys.iocspublisher.org/index.php/JMAS/article/view/417.