Hamid S, Iswendi I. The Effect of Using the Buffer Solution Material Module on the Learning Outcomes of Class XI Science Students at MAS PSA Sulit Air. EPK [Internet]. 23Jun.2023 [cited 8Jul.2024];4(2):24-0. Available from: http://entalpipendidikan.ppj.unp.ac.id/index.php/epk/article/view/309