OLIVA, R. E. . THE EFFECTIVENESS OF THE SPIRAL PROGRESSION APPROACH IN TEACHING JUNIOR HIGH SCHOOL MATHEMATICS IN ZAMBALES, PHILIPPINES. Journal of Education and Innovation, [S. l.], v. 25, n. 4, p. 91–101, 2023. Disponível em: https://so06.tci-thaijo.org/index.php/edujournal_nu/article/view/256468. Acesso em: 18 apr. 2025.