ICAO, F. J. The Effectiveness of Mother Tongue as a Medium of Instruction in the Learning Development of Grade 1 Pupils at Baybay Elementary School. Journal of Education and Learning Reviews, [S. l.], v. 3, n. 1, p. e2343, 2026. DOI: 10.60027/jelr.2026.e2343. Disponível em: https://so19.tci-thaijo.org/index.php/JELS/article/view/2343. Acesso em: 16 sep. 2026.