. J. . Shahini kevesk, A. Maredpour, and A. . Mahmoudi, “The Effect of Philosophy for Children (P4C) Program on Working Memory and Frustration Tolerance in Sixth-Grade Students”, ECS, vol. 6, no. 2, pp. 1–10, Jun. 2025, Accessed: Aug. 14, 2025. [Online]. Available: https://www.journalecs.com/index.php/ecs/article/view/227