00552nam a2200193Ia 4500 CTU_149594 210402s9999 xx 000 0 und d 630.68 E27 Efferson, J. Norman Principles of farm management (International Student edition) J. Norman Efferson New York McGraw - Hill 1953 Fram management,Quản lý nông trại Nguyên Trung tâm Học liệu Trường Đại học Cần Thơ