Mahmoudi Vesali, Zahra, ahghar, ghodsi, Samii Zafarqandi, Morteza. “The Study effect of problem solving skills training on self-efficacy and resiliency of preschool teachers of Tehran city.” فصلنامه تحقیقات روانشناختی, vol. 14, no. 40, 2022, pp. 76-89.