“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, Dec. 2025, pp. 155-68, https://doi.org/10.24114/js.v10i1.67353.