Sumanarathna, AR, Madurapperuma, B, Kuruppuarachchi,, J, Katupotha, J, Abeywardhana, SMK , and Jayasingha, P
Annals of Valahia University of Targoviste, Geographical Series , 16(2), https://doi.org/10.1515/avutgs-2016-0005
Publication year: 2016