Mustafa, S. M., A. M. Abukanna, and K. M. Elnaeem. “Knowledge, Attitude, and Practice of Medical Staff Regarding Problem Based Learning: Experience of a Saudi Arabian University”. International Journal of Research in Medical Sciences, vol. 6, no. 11, Oct. 2018, pp. 3582-5, doi:10.18203/2320-6012.ijrms20184411.