MEENA, B S; KUMAR, Ranjith; SINGH, Amit. Effectiveness of multimedia Digital Video Disk on knowledge gain of improved dairy farming practices. Indian Journal of Dairy Science, India, v. 67, n. 5, 2014. Disponível em: https://epubs.icar.org.in/index.php/IJDS/article/view/38204. Acesso em: 10 jun. 2026.