DOLKAR, T.; SAKULWONGS, . N. THE USE OF BAR MODEL METHOD TO DEVELOP ADDITION AND SUBTRACTION WORD PROBLEM ACHIEVEMENT OF GRADE 4 BHUTANESE STUDENTS. Academic Journal Phranakhon Rajabhat University, [S. l.], v. 16, n. 1, p. 115–131, 2025. Disponível em: https://so01.tci-thaijo.org/index.php/AJPU/article/view/275911. Acesso em: 11 dec. 2025.