S S WALIA , RAJNI , SATPAL SINGH , C S AULAKH AND R S GILL. Assessment of Adoption Gaps in Gobhi Sarson (Brassica Napus L.) Production Technologies in Amritsar and Tarntaran Districts of Punjab. Indian Journal of Extension Education, India, v. 49, n. 3&4, p. 83–85, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/144377. Acesso em: 27 oct. 2025.