Putri N, Leny L, Mahdian M. PENERAPAN MODEL PROBLEM SOLVING TERHADAP MOTIVASI DAN HASIL BELAJAR PESERTA DIDIK PADA MATERI STOIKIOMETRI. jcae [Internet]. 29Jan.2020 [cited 25Nov.2024];3(2):55-3. Available from: http://103.81.100.242/index.php/jcae/article/view/340