BADILLA, Harold. High School Calculus in Focus: A Comparative Study of the Intended Curricula of Select Countries. PUP Education Review (Formerly Education Review), Manila, Philippines, v. 13, n. 1, p. 59–80, 2025. DOI: 10.70922/18qcj246. Disponível em: https://publishing.pup.edu.ph/ojs/index.php/EdRev/article/view/243. Acesso em: 2 dec. 2025.