and Feyisa Bekuma 4, B. B. , W. F. D. A. 3,. (2020). COMPETITIVE ELISA SEROLOGICAL INVESTIGATION OF PESTE DES PETITS RUMINANTS VIRUS AND ITS RISK FACTORS IN SELECTED LEKA DULECHA AND WAYU TUKA DISTRICT EAST WOLLEGA ZONE, OROMIA, ETHIOPIA. International Invention of Scientific Journal, 4(10), Page : 1495–1532. Retrieved from https://iisj.in/index.php/iisj/article/view/271