“Types of ‘Thinking Center’ in Enneagram System and Its Relationship With the Feeling of Pleasure for Hearing Impaired Pupils in Hama City.: ”. Journal of Hama University 5, no. 13 (November 6, 2022). Accessed June 6, 2026. https://journal.hama-univ.edu.sy/huj/article/view/1048.