Khan, Amjad, Mushtaq, Muhammad, Ahmad, Mansur ud, Hussain, Abid, Khan, Asghar, Khan, Ajab, AND Nabi, Habibun. " Incidence of repeat breeding in varying breeds of buffaloes and cattle in different climatic conditions in Khyber Pakhtunkhwa (Pakistan)" Buffalo Bulletin [Online], Volume 35 Number 3 (30 September 2016)