Fitrianawati, Meita, and Tika Setiyawati. 2021. “Development of an Ethnomathematics-Based Digital Flipbook Module for Least Common Multiple and Greatest Common Divisor in the Fourth Grade of Elementary School”. Ethnomathematics Journal 2 (2):67-79. https://doi.org/10.21831/ej.v2i2.42699.