Mustafiah, Imamatul, Apriliana, Gita, Kurniawan, Zahri, AND Setiadi, Hermawan Wahyu. " PENERAPAN MODEL PROBLEM BASED LEARNING DALAM PENGEMBANGAN BAHAN AJAR TEMATIK DI SEKOLAH DASAR : STUDI LITERATUR" Jurnal IKA PGSD (Ikatan Alumni PGSD) UNARS [Online], Volume 16 Number 2 (5 December 2025)