Suharto N, Suradi, Bernard. Intuitive Ethnomathematics: A Case Study of Lopi Sandeq’s Construction Non Formal Math Calculations. IJEVSS [Internet]. 2025Jun.7 [cited 2026Nov.4];4(03):163-76. Available from: https://e-journal.citakonsultindo.or.id/index.php/IJEVSS/article/view/1919