Aulia, Elsa, et al. “Analisis Penerapan Model Pembelajaran Problem Based Learning (PBL) Terhadap Pemecahan Masalah Siswa Kelas IV Materi Keberagaman Budaya”. Educatio, vol. 21, no. 2, Aug. 2026, pp. 515-2, doi:10.29408/edc.v21i2.36628.