The Effect of Applying the PDCF Model on the Performance of the General Mathematical Problem-Solving

Department of Mathematics‎, ‎Islamic Azad‎‎ University‎, ‎Central Tehran Branch‎, ‎PO‎. ‎Code ۱۴۱۶۸-۹۴۳۵۱‎, ‎Iran.

Department of Mathematics‎, ‎Islamic Azad‎‎ University‎, ‎Central Tehran Branch‎, ‎PO‎. ‎Code ۱۴۱۶۸-۹۴۳۵۱‎, ‎Iran,

Department of Mathematics, Faculty of Converging Sciences and Technologies, Islamic Azad University, Science and Research Branch, Tehran, Iran.