Umbara U, Wahyudin W, Prabawanto S. How to predict good days in farming: ethnomathematics study with an ethnomodelling approach. J.Res.Adv.Math.Educ [Internet]. 2021 Jan. 23 [cited 2025 Nov. 17];6(1):71-85. Available from: https://journals2.ums.ac.id/jramathedu/article/view/9345