International trade in copper and tin : areas for co-operation among State trading organizations of developing countries : report / by the UNCTAD secretariat.
1982
详细记录
符号TD/B/C.7/53
标题International trade in copper and tin : areas for co-operation among State trading organizations of developing countries : report / by the UNCTAD secretariat.
日期Geneva : UN, 23 Feb. 1982.
描述
vii, 33 p.