M. Mahendran, Lee. G.C., A. Shahrani, Bakar. R.A., K. Kadirgama, Amir. A.R., K.V. Sharma (2022) “Diurnal Pattern and Estimation of Global Solar Radiation in East Coast Malaysia”, International Journal of Automotive and Mechanical Engineering, 8, pp. 1162–1175. doi: 10.15282/ijame.8.2013.7.0095.