R.L. SAGAR AND O.N. KUNZURU. A Scale To Measure Livestock owners’ Attitude Towards Vaccination. Indian Journal of Extension Education, India, v. 29, n. 3&4, p. 96–99, 1993. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/161198. Acesso em: 15 jul. 2026.