Martinus Y. Ruamba, Happy Lumbantobing, Ronaldo Kho, Bettisari Napitupulu, Ida Mariati Hutabarat, Jonner Nainggolan, Irfan Wahyudi, Citra Ratna Napitupulu, & Mindo H. Sinambela. (2022). Ethnomathematics: Exploration of Geometric Concepts in Traditional Paintings and Carvings of Teluk Ampimoi Kepulauan Yapen, Papua, Indonesia, as a Source of School Mathematics Learning. International Journal of Sciences: Basic and Applied Research (IJSBAR), 66(1), 17–27. Retrieved from https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/15016