1. Needs and their role in conservation farming Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Duvel, Gustav H. (author) Format: Journal article Publication Date: 1990-12 Published: South Africa Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C18466 Journal Title: Journal of Extension Systems Journal Title Details: 6(2) : 21-41
2. Rice production systems: neck-deep of constraints causing concern to paddy growers Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Sharma, R.K. (author) and Singh, L. (author) Format: Journal article Publication Date: 1986-12 Published: India Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C23052 Journal Title: Journal of Extension Systems Journal Title Details: 2(2) : 32-35
