00480nam a2200181Ia 4500 CTU_145604 210402s9999 xx 000 0 und d 658.93 D854 Kenneth Duft Principles of Management in Agribusiness Kenneth Duft Virginia Reston 1979 Kinh doanh nông nghiệp KT642 Trung tâm Học liệu Trường Đại học Cần Thơ