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Exploration and development of small mines
Krumlauf, H. E., (1954)
Technical co-operation for the development of small-scale industries
(1966)
Small enterprises in developing countries : case studies and conclusions
Harper, Malcolm, (1979)
World economic and social survey
(2018)
World population prospects : as assessed in ... / Department of Economic and Social Affairs ; 1973
(1977)
Guidelines for tax treaties between developed and developing countries
(1974)