Huda, Syamsul, Lusi Anggraini, Rizka Dwi Saputri, Muhamad Syazali, and Rofiqul Umam. 2019. “LEARNING MODEL TO IMPROVE THE ABILITY TO UNDERSTAND MATHEMATICAL CONCEPTS”. PRISMA 8 (2):173-81. https://doi.org/10.35194/jp.v8i2.769.