Ethnomathematical Insights into Student Errors: Javanese Calendar and Pigeonhole Principle. Journal of Current Studies in SDGs, [S. l.], v. 1, n. 3, p. 58, 2025. DOI: 10.63230/jocsis.1.3.58. Disponível em: https://journal.i-ros.org/index.php/JOCSIS/article/view/58. Acesso em: 25 sep. 2025.