POLA PEMBINAAN INTERNATIONAL JUNIOR SCIENCE OLYMPIAD (IJSO) IPA DI TINGKAT NASIONAL. EDUSAINS, [S. l.], v. 6, n. 1, p. 9–16, 2015. DOI: 10.15408/es.v6i1.1095. Disponível em: https://journal.uinjkt.ac.id/edusains/article/view/1095. Acesso em: 14 jan. 2026.