Martinus Y. Ruamba, Happy Lumbantobing, Ronaldo Kho, Bettisari Napitupulu, Ida Mariati Hutabarat, Jonner Nainggolan, Irfan Wahyudi, Citra Ratna Napitupulu, Mindo H. Sinambela. Ethnomathematics: Exploration of Geometric Concepts in Traditional Paintings and Carvings of Teluk Ampimoi Kepulauan Yapen, Papua, Indonesia, as a Source of School Mathematics Learning. IJSBAR [Internet]. 2022 Dec. 26 [cited 2024 May 18];66(1):17-2. Available from: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/15016