Mahlianurrahman, Mahlianurrahman. “PENGEMBANGAN DAN IMPLEMENTASI LEMBAR KERJA SISWA BERBASIS PROBLEM BASED LEARNING”. JTIEE (Journal of Teaching in Elementary Education) 2, no. 1 (May 3, 2018): 65–74. Accessed June 15, 2026. https://journal.umg.ac.id/index.php/jtiee/article/view/357.