Darwish Al-Lahibi, A. K. (2018). The effect of using the formal regulator strategy In the academic achievement of the students of the College of Basic Education - Department of Islamic Education in the subject of the fundamentals of religion. Journal of Tikrit University for Humanities, 25(5), 491–511. https://doi.org/10.25130/jtuh.25.5.2018.15