Pengaruh Model Pembelajaran Problem Based Learning dan Motivasi Belajar terhadap Hasil Belajar Mata Pelajaran IPAS Siswa Sekolah Dasar. Riwayat [Internet]. 2026 Mar. 6 [cited 2026 Mar. 21];9(1):2737-44. Available from: https://ejournal.yaydi.com/index.php/riwayat/article/view/664