BULARON, E. D. MOTHER TONGUE-BASED INSTRUCTION: EFFECTS ON LEARNERS’ PERFORMANCE. Sprin Journal of Arts, Humanities and Social Sciences, [S. l.], v. 4, n. 2, p. 47–54, 2025. DOI: 10.55559/sjahss.v4i2.472. Disponível em: https://sprinpub.com/sjahss/article/view/sjahss.v4i2.472. Acesso em: 20 apr. 2025.