Rahman G, Nasution RF, Lubis AR, Novira P, Rahman L, Sinaga EHR, et al. Analysis of constraints and alternative solutions to the implementation of chemical practicums in several high schools in Medan. J.Pendidik.Kim [Internet]. 2020 Apr. 10 [cited 2025 Jul. 5];12(1):44-51. Available from: https://jurnal.unimed.ac.id/2012/index.php/jpk/article/view/17744