Otto, M. S., Oladiran, A. J., Oluwasesan, F. A., Muhammad, F. U. ., & A.A Sule. (2023). QUARTERLY VARIATION OF TROPOSPHERIC SURFACE REFRACTIVITY IN ILORIN, NIGERIA. Malaysian Journal of Science, 42(3), 85–91. https://doi.org/10.22452/mjs.vol42no3.11