00768nam a2200193Ia 4500 CTU_28188 210402s9999 xx 000 0 und d 338.162 K207 Kết quả nghiên cứu hệ thống canh tác năm 1991 : Tài liệu Hội nghị hệ thống canh tác Việt Nam lần 2 tại Thành phố Huế Cần thơ Trung Tâm NCPT Hệ thống Canh tác ĐBSCL 1992 Hệ thống canh tác NN377 Farming systems Liên, Mai chuyển số PL từ 633.18/ K207 thành 338.162/K207 chưa in nhãn Trung tâm Học liệu Trường Đại học Cần Thơ