Hamdu, G., Hadiana, D., Sylvia, N., Apipatunnisa, I. and Yulianto, A. 2023. Measuring Changes of Students Conceptual Understanding of Literacy and Numeracy in Natural Science by Using Rasch Model. Jurnal Ilmiah Sekolah Dasar. 7, 3 (Aug. 2023), 489–497. DOI:https://doi.org/10.23887/jisd.v7i3.59943.