A handbook of training for family and child welfare
Tenth United Nations Regional Cartographic Conference for Asia and the Pacific : Bangkok, 17-28 January 1983 : vol. II : technical papers
Metalworking industries as potential export industries in developing countries : report of the expert group meeting on metalworking industries as potential export industries in developing countries : Vienna, 12-19 December 1969
Données de programmation industrielle : rapport sur la première session du groupe de travail international sur les données de programmation industrielle : Vienna, 18-27 Novembre 1968