[1]
Ardiansyah, A.S., Ferianto, A.N. and Dinasari, A. 2021. Readability test for basic mathematics textbook integrated challenge based on blended learning to develop skills in the industrial revolution era. Unnes Journal of Mathematics Education. 10, 1 (Mar. 2021), 12-19. DOI:https://doi.org/10.15294/ujme.v10i1.44322.