(1) Programme for the 1990 World Census of Agriculture. FAO Statistical Development Series No. 2; Rome.1986
(2) Taking Agricultural Censuses. Guidelines supplementing the programme for the 1980 world census of agriculture. Statistics Division. FAO Economic and Social Development Paper No. 1; Rome, 1978.
(3) Principles and Recommendations for Population and Housing Censuses. Statistical Papers. United Nations, Series M, No. 67; New York, 1980.
(4) Supplementary Principles and Recommendations for Population and Housing Censuses. Statistical Papers. United Nations, Series M, No. 67/Add.1; New York, 1 990.
(5) A System of National Accounts. United Nations Publication, Sales No. E.69.XVII.3.
(6) International Labour Organisation, "Thirteenth International Conference of Labour Statisticians, resolution l: resolution concerning statistics of the economically active population, employment, unemployment and underemployment" (Geneva, 1983), paras.14-20.
(7) ISIC-90. International Standard Industrial Classification of All Economic Activities Statistical Papers. United Nations, Series M, No. 4, Rev. 3; New York, 1990.
(8) ISCO-88. International Standard Classification of Occupations. International Labour Office; Geneva, 1990.
