LAIDIN, Dalilah Rauqah; TENGAH, Khairul Amilin. Applying Butterfly Method in the Learning of Addition and Subtraction of Fractions. Mathematics Education Journal, [S. l.], v. 15, n. 2, p. 161–174, 2021. Disponível em: https://jpm.ejournal.unsri.ac.id/index.php/jpm/article/view/235. Acesso em: 17 apr. 2025.