Suliman, S.H., W. Hashim, A.F. Ismail, M.A. Zakariya, A.S. Yahya, and M.S. Sauti. 2018. “Measurements of Mobile Signal Received Power Level at Ringlet, Cameron Highland, Malaysia”. International Journal of Engineering & Technology 7 (4.35): 404-9. https://doi.org/10.14419/ijet.v7i4.35.22771.