38. Peningkatan Hasil Belajar Tema 8 Lingkungan Sahabat Kita dengan Model Problem Based Learning Berbantuan Vidio Siswa Kelas 5 SD N Angkatan Lor 03. psnppg [Internet]. 2023 Jul. 3 [cited 2026 Aug. 11];1(1):339-48. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/3927