PENGEMBANGAN LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PROBLEM BASED LEARNING (PBL) MATERI PECAHAN DI KELAS V SD NEGERI 107418 BANGUN SARI BARU. JSSR [Internet]. 2023 Oct. 31 [cited 2026 Apr. 13];6(3):880-6. Available from: https://jurnal.goretanpena.com/index.php/JSSR/article/view/2126