A. K. Pokhrel, H. P. Adhikari, U. Joshi, B. R. Tiwari, B. R. KC, and K. N. Poudyal, “Prediction of Solar Radiation using Empirical Models over Lowland Region Nepal”, J. Nep. Phys. Soc., vol. 9, no. 1, pp. 51–57, Aug. 2023.