NUPUS, O. V.; ARMIATI, A.; ARNAWA, I. M. Hypothetical Learning Trajectory Design of Sinus Rules Based on PBL with Ethnomathematics of Minangkabau Culture. Jurnal Gantang, [S. l.], v. 7, n. 1, p. 83–90, 2022. DOI: 10.31629/jg.v7i1.4474. Disponível em: https://ojs.umrah.ac.id/index.php/gantang/article/view/4474. Acesso em: 26 apr. 2024.