F:equests the Secretary-General, bearing in mind the recommendations of the Commission on Tnternational <. ·omrnoditv Trade, to prepare, in consultation with the Director-(;cneral of the Food and Agriculture Organization of the United Nations and in co-operation with the exea1tive secretarie.'i of the regional economic commissions, a study containing tentative mediumand long-term projections of the prospective international demand for, and supply of, ~;elected major primary commodities at present exported bv the under-developed < ountries;