TY  - BOOK
TI  - Regional Action Learning Programme on the Development of Conservation Farming Systems: report of the inaugural workshop, 23 Feb.-1 March, 1990, Chiang Mai, Thailand
PY  - 1990///
CY  - Jakarta
PB  - Asia Soil Conservation Network-Coordination Unit
KW  - Agricultural conservation
KW  - Asia
KW  - Congresses
KW  - Agricultural systems
ER  -