Mahmuda, Aliyu, Yusuf Yakubu, Abdullahi Abdulllahi Raji, Nafiu Lawal, Bashir Saidu, Abubakar Danmaigoro, and Abdulrahman Bello. 2012. “Prevalence of Gastrointestinal Round Worms in Calves in Sokoto, Northwestern, Nigeria”. Scientific Journal of Zoology 1 (2):26-30. https://www.sjournals.com/index.php/sjz/article/view/1188.