Al - Ghafri, Nasra Muslim Hamad. 2018. “The Effectiveness of a Collective Guidance Program Using the Time Management and Self-Efficacy Skills of the Students of the Faculty of Applied Sciences (in Abri) in the Sultanate of Oman”. Journal of Educational and Psychological Sciences 2 (4): 122-0. https://doi.org/10.26389/AJSRP.N081217.