Suleman, K., Suleiman, S., Sunmonu, L. and SHEU, A. L. (2024) “Estimation of refractivity gradients and effective earth radius factor (K-factor) in the lowest 100 m of the atmosphere over Ogbomoso, southwestern Nigeria”, ITEGAM-JETIA, 10(46), pp. 27-32. doi: 10.5935/jetia.v10i46.1084.