muhumbwa, victor ngaira, K. David K, and O. V. Ouko. “Factors Influencing Adoption of New Castle Disease Vaccine in Kakamega County in Kenya”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 8, no. 1, Sept. 2013, pp. 1-9, https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/930.