The effect of Wheatley’s model on the development of performance skills and productive thinking among students of the Applied Arts Preparatory School in handicrafts. cbej [Internet]. 2024 Jan. 29 [cited 2026 Jun. 24];29(122):209-192. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/11086