00390nam a2200109Ia 4500008004100000040004400041100006400085245007400149260002600223300001400249999001700263180412s9999||||xx |||||||||||||| ||und||  aAhmadu Bello University Library - Zaria  aUnited Nations. Industrial Development Organization Vienna. 0aConceptual and policy framework for appropriate industrial technology  aNew YorkbU. N.c1979  axi, 144p.  c13038d13038