Pengembangan Modul Berbasis Kontekstual Pada Materi Koloid Di Sekolah Menengah Atas: Development of Contextual Based Modules in Colloidal Studies at High School. st [Internet]. 2019 Feb. 13 [cited 2026 May 1];2(1):272-8. Available from: https://talentaconfseries.usu.ac.id/index.php/st/article/view/357