Sood, D. V. (2013). EFFECT OF MASTERY LEARNING STRATEGIES ON CONCEPT ATTAINMENT IN GEOMETRY AMONG HIGH SCHOOL STUDENTS. International Journal of Behavioral Social and Movement Sciences Established in March 2014 | Published Quarterly (March, June, September, December), 2(2), 144–155. Retrieved from https://ijobsms.org/index.php/ijobsms/article/view/146