00909nam a2200241Ia 4500 CTU_122857 210402s9999 xx 000 0 und d 85.00 630.593 M214 Mahawitthayalai Songkhla Nakharin Thai-French Farming Systems Research Project. Farming systems research and development in Thailand illustrated methodological considerations and recent advances GRET, Technological Research and Exchange Group, Prince of Songkla University ; edited by Guy Trebuil [Songkhla] Prince of Songkhla University 1990 Agricultural systems,Agriculture,Agricultural extension work Rsearch,Research,On-farm Thailand,Thailand,Thailand Hiếu Trung tâm Học liệu Trường Đại học Cần Thơ