Sharma NP, Sapkota BK, Bhattarai B, Kjeldstad B. Study on Aerosol Optical Depth in Winter and Summer Season in Bhaktapur. J. Inst. Engineering [Internet]. 2011 Jul. 20 [cited 2024 Dec. 4];8(1-2):269-76. Available from: https://nepjol.info/index.php/JIE/article/view/5122