Portugal : agricultural sector survey : volume I : general report and statistical appendix : report nº 1689b-PO
Portugal : agricultural sector survey : a near-term action program for agriculture : volume I : report nº 5007-PO
Purchasing power of currencies : comparing national incomes using ICP data : a compilation of data from the United Nations International Comparison Programme (ICP) : 1975, 1980, 1985, and 1990 with bank staff estimates of GDP expenditure details in national currencies
Unemployment in Portugal : causes, prospects and policy options : report nº 2285-PO