Gelas Abdulla Ismael. The Effect of a Program based on Magic Math to Develop Self-Confidence and Concentration among Kanry Kindergarten Children in the City of Sulaymaniyah. JRTDD [Internet]. 2022 Dec. 31 [cited 2024 Jul. 3];5(2):31-43. Available from: https://jrtdd.com/index.php/journal/article/view/191