NIRA, Nira; MARTA, Redo Andi; NOVIYANTI, Mery. Pengembangan Lembar Kerja Peserta Didik Berbasis Problem Based Learning pada Mata Pelajaran Matematika di Sekolah Dasar. Journal of Education Research, [S. l.], v. 5, n. 4, p. 5137–5145, 2024. DOI: 10.37985/jer.v5i4.1591. Disponível em: https://jer.or.id/index.php/jer/article/view/1591. Acesso em: 26 aug. 2025.