Saragih, K. 2017. THE EFFECT OF OPTION NUMBERS ON THE ITEM INSTRUMENTS OF BELIEF ABOUT MATHEMATICS FOR JUNIOR HIGH SCHOOL STUDENTS TOWARD THE MAXIMUM RELIABILITY. JISAE: Journal of Indonesian Student Assessment and Evaluation. 3, 1 (Nov. 2017), 24–31. DOI:https://doi.org/10.21009/jisae.v3i1.4858.