00703nam a2200205Ia 4500 CTU_123085 210402s9999 xx 000 0 und d 633 T161/Vol.4 Tanaka, Y Report of training materials on basic course on field crops production : Transfer of Production Technology for Major Food Crops, Technical report 10, INT/525/JPN Yoshitaka Tanaka, FAO, Rome (Italy). Agricultural Operations Div. [s.l.] [s.n] 1993 Field crop,Agriculture Economic aspects M.Loan, H. Mai Trung tâm Học liệu Trường Đại học Cần Thơ