PENGARUH PEMBELAJARAN PROBLEM BASED LERANING (PROBLEM BASED LEARNING DAN PROJECT BASED LEARNING SERTA MOTIVASI BELAJAR TERHADAP PERKEMBANGAN KOGNITIF ANAK. JS (JURNAL SEKOLAH) [Internet]. 22 Desember 2025 [dikutip 15 Juli 2026];10(1):155-68. Tersedia pada: https://jurnal.unimed.ac.id/2012/index.php/js/article/view/67353