Kurniasih, Onih. “PENINGKATAN HASIL BELAJAR MATEMATIKA MELALUI MODEL PEMBELAJARAN PROJECT BASED LEARNING (PJBL) SISWA KELAS I SDN 1 RANTAU LURUS”. Jurnal Kiprah Pendidikan 2, no. 3 (July 31, 2023): 305–309. Accessed August 2, 2025. https://kpd.ejournal.unri.ac.id/index.php/kpd/article/view/188.