YASA, A. D.; SUASTIKA, I. K.; NINGTYAS, N. V. W. Development of Learning Media Pansirbongpas for the Operation of Fraction Numbers for Grade 4 Elementary School. Jurnal Ilmiah Sekolah Dasar, [S. l.], v. 4, n. 3, p. 515–523, 2020. DOI: 10.23887/jisd.v4i3.27620. Disponível em: https://ejournal.undiksha.ac.id/index.php/JISD/article/view/27620. Acesso em: 2 dec. 2024.