Abdel Raouf Mohamed Mohamed Ismail. "The Impact of the Interaction between Content Display Style (Mend Maps-Conceptual Maps) Digital and Self-Learning Ability Level by Cloud Learning Environment in Acquiring Gamification Production Skills and Developing the Reasoning Thinking Skills for Students of Teachers Instructional Technology", Journal of Research in the Fields of Specific Education, 5, 22 Tec3, 2019, 55-178. doi: 10.21608/jedu.2019.108827