Rumbayan, Meita, and Ken Nagasaka. “Estimation of Daily Global Solar Irradiation in Indonesia With Artificial Neural Network (ANN) Method”. International Journal on Advanced Science, Engineering and Information Technology 1, no. 2 (April 1, 2011): 190–193. Accessed June 2, 2024. http://ijaseit.insightsociety.org/index.php/ijaseit/article/view/40.