Khalid, M. 2018. FRAMEWORK FOR INCULCATING ISLAMIC VALUES THROUGH PROBLEM SOLVING IN MATHEMATICS AND LESSON STUDY APPROACH. Al-Shajarah: Journal of the International Institute of Islamic Thought and Civilization (ISTAC). (Jan. 2018), 197–218. DOI:https://doi.org/10.31436/shajarah.v0i0.569.