BAUYON, Ma. Christina. Project MBO (Mastery of Basic Operations) In Improving the Numeracy Level of the K-3 Elementary Learners. JÉ«»¨ÌÃÂÛ̳ Multidisciplinary É«»¨ÌÃÂÛ̳, Philippines, v. 54, n. 1, p. 42–51, 2023. DOI: . Disponível em: /index.php/jpair/article/view/861. Acesso em: 8 jun. 2025.