Rani AR, Syukur Y. PENGEMBANGAN LEMBARAN KERJA PESERTA DIDIK DENGAN MODEL PROBLEM BASED LEARNING PADA SISWA KELAS IV SEKOLAH DASAR. basicedu [Internet]. 2019 Aug. 11 [cited 2025 Jun. 2];3(2):674-80. Available from: https://www.jbasic.org/index.php/basicedu/article/view/54