Fitrianawati M, Setiyawati T. Development of an ethnomathematics-based digital flipbook module for least common multiple and greatest common divisor in the fourth grade of elementary school. EJ [Internet]. 2021 Sep. 13 [cited 2025 May 9];2(2):67-79. Available from: https://journal.uny.ac.id/index.php/ethnomath/article/view/42699