ASMAL; M. AMIR MASRUHIM; SURYANINGSI. PENGEMBANGAN MEDIA PEMBELAJARAN MATEMATIKA DENGAN JAM SUDUT PIZZA DI KELAS IV SDN 009 SAMARINDA ULU. Jurnal Cakrawala Ilmiah, [S. l.], v. 1, n. 6, p. 1273–1290, 2022. DOI: 10.53625/jcijurnalcakrawalailmiah.v1i6.1493. Disponível em: https://bajangjournal.com/index.php/JCI/article/view/1493. Acesso em: 9 jul. 2025.