“UPAYA MENINGKATKAN  AKTIVITAS SISWA MELALUI PROJECT BASED LEARNING PADA MATA PELAJARAN MATEMATIKA KELAS I SD KANISIUS PUGERAN”, VRJ, vol. 1, no. 02, pp. 775–783, Jul. 2024, Accessed: Jul. 10, 2025. [Online]. Available: https://variablejournal.my.id/index.php/VRJ/article/view/110