Hajitabar,M. , , Maleki,H. , and Ahmadi,G. A. . "Design and Validation of a Conceptual Model for Narrowing the Gap between Intended, Implemented, and Attained Curricula in the Public Education System in Iran", Theory and Practice in the Curriculum, 4, 7, 2016, 5-30. doi: 10.18869/acadpub.cstp.4.7.5