WANTHAT, I.- on; NOKKAEW, A. THE DEVELOPMENT OF MATHEMATICAL CONCEPTS ON RECTANGLE FOR PRATHOMSUKSA 4 STUDENTS USING VAN HIELE’S THEORY AND VIRTUAL MANIPULATIVE. Journal of Buddhist Education and Research (JBER), [S. l.], v. 9, n. 3, p. 193–206, 2023. Disponível em: https://so06.tci-thaijo.org/index.php/jber/article/view/268107. Acesso em: 8 oct. 2026.