{{cite journal | last1=Zeryehun | first1=T. | author2=T. Aya | author3=R. Bayecha | year=2013 | title=STUDY ON PREVALENCE, BACTERIAL PATHOGENS AND ASSOCIATED RISK FACTORS OF BOVINE MASTITIS IN SMALL HOLDER DAIRY FARMS IN AND AROUND ADDIS ABABA, ETHIOPIA | journal=Journal of Animal and Plant Sciences | volume=23 | issue=1 | pages=50-55 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2013-JAPS-109}}