Seleshi, Y. . “ESTIMA TION OF MONTHLY REFERENCE EVAPOTRANSPIRA TION (ETO) FOR AREAS WITH IN ADEQUATE METEOROLOGICAL DATA IN ETHIOPIA”. Zede Journal of Ethiopian Engineers and Architects, vol. 19, Jan. 2023, pp. 21-28, http://ejol.aau.edu.et/index.php/ZEDE/article/view/6670.