Rahma, D., R. Ratman, K. Mustapa, and M. Esterlina. “Teacher and Student Problems in Learning Chemistry in The Covid-19 Pandemic Time at SMAN 1 Sindue”. Media Eksakta, vol. 20, no. 2, May 2025, pp. 97-102, https://jurnalfkipuntad.com/index.php/jme/article/view/3364.