Sitorus, Syahrial, Monica Angelin Nasution, and Maulidina. “Analysis of the Economic Impact and Management Strategies of Health Education Programs on the Formation of Environmentally Responsible Attitudes in Students”. International Journal of Economics and Management 1, no. 02 (July 30, 2023): 83–88. Accessed October 11, 2024. http://iem.cdfpublisher.org/index.php/iem/article/view/23.