Parsafar, A.H. and Nosrat, A. 2018. The impact of cooperative learning and direct instruction on Saravan Islamic Azad university student’s math progress in first half of educational year 2013-2014. International Journal of Applied Mathematical Research. 7, 2 (Mar. 2018), 33–36. DOI:https://doi.org/10.14419/ijamr.v7i2.8904.