Al-Mekhlafi, A.M. and Tahir Osman, M.E. 2019. The Effect of a Holistic School Improvement Model in Enhancing School Effectiveness in Oman. Malaysian Journal of Learning and Instruction. 16, 2 (Dec. 2019), 187–200. DOI:https://doi.org/10.32890/mjli2019.16.2.7.