Desalegn(Ph.D), Mesay, Temesgen Haile, Yohannes Andargachew, Mohammed Endris, Daniel Agegnehu, , Ali Walle, Osman Abubeker, and Yeshwas Getahun. 2020. “Level of Knowledge, Attitude and Practice of Doping Among Ethiopian Professional Middle and Long Distance Runners”. ETHIOPIAN JOURNAL OF SPORT SCIENCE 1 (1):98-110. https://ejss-esa.edu.et/index.php/ejss/article/view/14.