Pengaruh Model Pembelajaran Problem Based Learning Berbantuan E-TTS (Teka Teki Silang) terhadap Keterampilan Pemecahan Masalah Siswa Sekolah Dasar. Cokroaminoto Journal of Primary Education, [S. l.], v. 9, n. 3, p. 1619–1629, 2026. DOI: 10.30605/cjpe.9.3.2026.9133. Disponível em: https://e-journal.my.id/cjpe/article/view/9133. Acesso em: 26 jul. 2026.