Yanti IR, Trisna S, Usmeldi U, Ramli R. PRELIMINARY RESEARCH PENGEMBANGAN MODUL BERBASIS PROBLEM BASED INSTRUCTION PADA MATA KULIAH FISIKA MATEMATIKA I DI STKIP PGRI SUMATERA BARAT. PROSIDING SNF [Internet]. 2017 Oct. 30 [cited 2024 Nov. 3];5:SNF2016-RND. Available from: https://journal.unj.ac.id/unj/index.php/prosidingsnf/article/view/3939