Herlikia Sinaga. Meningkatkan Hasil Belajar Pak Siswa Kelas III Materi Melestarikan Lingkungan Alam Model PBL SDN 17 Tomok TP. 2023/2024. SEMNASPA [Internet]. 2023 Nov. 17 [cited 2024 Dec. 22];4(2):674-93. Available from: https://badanpenerbit.org/index.php/SEMNASPA/article/view/1323