KUMAR, Sunil; JAKHAR, Devender Singh. Impact of Front Line Demonstrations on Mustard Crop in Sirsa District of Haryana. Indian Journal of Extension Education, India, v. 58, n. 1, p. 192–196, 2021. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/119186. Acesso em: 25 jun. 2026.