Cahyo, Riky Nur, Wasitohadi Wasitohadi, and Theresia Sri Rahayu. 2019. “UPAYA MENINGKATKAN HASIL BELAJAR IPS MELALUI MODEL PROBLEM BASED LEARNING (PBL) BERBANTUAN MEDIA AUDIO VISUAL PADA SISWA KELAS 4 SD”. Jurnal Basicedu 2 (1):28-31. https://doi.org/10.31004/basicedu.v2i1.118.