Commonwealth and State Government collaborative soil conservation study 1975-77: reports - no. 3: Purposes and requirements of land resource survey and evaluation.- no. 5: Benefits and costs of land resource survey and evaluation.- no. 6: Overseas national programs of land resource survey and evaluation.- no. 7: A bibliography on land resource survey and evaluation.- no. 8: Co-ordination of land resource survey and evaluation

AGROVOC关键词

书目信息