S.Pd, M.Pd, D. A., Izmaimusah, D. ., & Idris, M. (2021). INSTRUMENT DEVELOPMENT OF MATHEMATICS LEARNING OUTCOMES BY THE RASCH MODEL IN ELEMENTARY SCHOOL TO SUPPORT THE IMPLEMENTATION OF THE 2013 CURRICULUM . JISAE: Journal of Indonesian Student Assessment and Evaluation, 7(2), 88–102. https://doi.org/10.21009/jisae.v7i2.21830