Al Jarrah, Hani Yousef. “Six Thinking Hats: An Analysis of the Skill Level of Jordanian Vocational Education Teachers and the Extent of Skill Application”. Space and Culture, India 7, no. 1 (June 30, 2019): 170-185. Accessed November 28, 2021. https://www.spaceandculture.in/index.php/spaceandculture/article/view/470.