Mirshahi, Farshid, Zahra Shokooh Ghazani, and Ahmad Shahvorani Semnani. “The Effect of Applying the PDCF Model on the Performance of the General Mathematical Problem-Solving”. International Journal of Mathematical Modelling & Computations 15, no. 2 (May 12, 2025): 41–52. Accessed June 27, 2026. https://oiccpress.com/ijm2c/article/view/16891.