Rustiani, Rustiani, Suarti Djafar, Rusnim Rusnim, Nadar Nadar, Arwan Arwan, and Elihami Elihami. 2019. “Measuring Usable Knowledge: Teacher’s Analyses of Mathematics for Teaching Quality and Student Learning”. International Conference on Natural and Social Sciences (ICONSS) Proceeding Series 1 (1), 239-45. https://doi.org/10.30605/iconss.28.