“PENGARUH PEMBELAJARAN PROBLEM BASED LERANING (PROBLEM BASED LEARNING DAN PROJECT BASED LEARNING SERTA MOTIVASI BELAJAR TERHADAP PERKEMBANGAN KOGNITIF ANAK”, JS (JURNAL SEKOLAH), vol. 10, no. 1, pp. 155–168, Dec. 2025, doi: 10.24114/js.v10i1.67353.