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International coordination of labour exchange and social security : a collection of international instruments involving the member states of the Organization of the Islamic Conference
(1982)
Role of statistics in development planning : selected papers of the second meeting of the heads of National Statistical Organisations of the member states of the Organisation of the Islamic Conference
(1983)
Développement agricole africain. Essai sur les lignes principales du développement africain et les obstacles qui le freinent
Dumont, René, (1965)