Faisal Ahmed M. The Efficiency Of High School Principals In Baghdad Governorate In Managing Incentives From The Point Of View Of Teachers. Opción [Internet]. 13 de agosto de 2019 [citado 31 de julio de 2025];350:610-31. Disponible en: https://produccioncientifica.luz.edu.ve/index.php/opcion/article/view/30768