R.L. Sagar and O.N. Kunzuru. “A Scale To Measure Livestock owners’ Attitude Towards Vaccination”. Indian Journal of Extension Education 29, no. 3&4 (December 31, 1993): 96–99. Accessed July 15, 2026. https://epubs.icar.org.in/index.php/IJEE/article/view/161198.