Hakam S.H., A. F., Juma N., & Issan S. (2018). ACTIVATING COMMUNICATION BETWEEN SCHOOL PRINCIPALS AND SUPERVISORS IN BASIC EDUCATION IN THE SULTANATE OF OMAN . International Journal of Engineering Technologies and Management Research, 5(8), 54–63. https://doi.org/10.29121/ijetmr.v5.i8.2018.280