K. Ismaeel K, خوله. Quadratic root law (one of the store models) to change the rent of the houses. EDUSJ [Internet]. 2009 Dec. 1 [cited 2025 Aug. 4];22(4):188-94. Available from: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/18314