O.F., Anjorin, Utah, E.U., and Likita, M.S. “Estimation of Hourly Photo Synthetically- Active Radiation (PAR) From Hourly Global Solar Radiation (GSR) In Jos, Nigeria”. Asian Review of Environmental and Earth Sciences 1, no. 2 (August 28, 2014): 43–50. Accessed May 8, 2024. http://www.asianonlinejournals.com/index.php/AREES/article/view/678.