Elizar, E., and C. Khairunnisak. “AN INTRODUCTION TO THE RASCH MEASUREMENT MODEL: A CASE OF MATHEMATICS EDUCATION STUDENTS COMPREHENSIVE TEST”. Kalamatika: Jurnal Pendidikan Matematika, Vol. 5, no. 1, Apr. 2020, pp. 51-60, doi:10.22236/KALAMATIKA.vol5no1.2020pp51-60.