Article

Aini Azkiyatu Ulfah, - and Kartono, - and Endang Susilaningsih, FMIPA P Kimia (2020) Validity Of Content And Reliability Of Inter-Rater Instruments Assessing Ability Of Problem Solving. Journal of Educational Research and Evaluation, 9 (1). pp. 1-7. ISSN 2252-6420