AN NISA SURYANI; HANDAYANI, H.; AKBAR, A. EFFECTS OF LEARNING MEDIA TRAY BOARDS (DIVE AND TIMES) ON STUDENTS’ MATHEMATICAL UNDERSTANDING OF OPERATIONAL MATERIALS CALCULATE THE DIVISION AND MULTIPLE OF WHOLE NUMBERS: (Experimental Research on Class II Students of Paniis Elementary School, Tanjungkerta District Sumedang Regency Academic Year 2021/2022). JESA - Jurnal Edukasi Sebelas April, [S. l.], v. 7, n. 2, p. 92–101, 2023. Disponível em: https://ejournal.lppmunsap.org/index.php/jesa/article/view/628. Acesso em: 27 apr. 2025.