00653nam a2200217Ia 4500 CTU_123134 210402s9999 xx 000 0 und d 25.00 333.74 D799 Drylands : Sustainable use of rangelands into the twenty-first century edited by Victor R. Squires and Ahmed E. Sidahmed. Rome, Italy IFAD 1998 Range management.,Range management,Rangelands Congresses,Congresses,Congresses Middle East M.Loan Trung tâm Học liệu Trường Đại học Cần Thơ