Amrik Singh , J. S. Bhalla and Dharminder Singh (2017) “Knowledge Level of Farmers About Recommended Production Techniques of Bt Cotton in Punjab”, Indian Journal of Extension Education, 53(1), pp. 100–103. Available at: https://epubs.icar.org.in/index.php/IJEE/article/view/143924 (Accessed: 22 October 2025).