Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /home/conscientiabeam/archive.conscientiabeam.com/plugins/generic/citationStyleLanguage/lib/vendor/seboettg/citeproc-php/src/StyleSheet.php on line 52

[1]

“Determination of Refractivity Gradient and Modified Refractivity Gradient for Cross River State”, 13, vol. 7, no. 2, pp. 53–64, Jan. 2019, doi: 10.18488/journal.13.2018.72.53.64.