établi par le Centre de documentation en sciences sociales de l'Unesco = World directory of social science institutions / prepared by the Unesco Social Science Documentation Centre
Date
1977-
Series
Services mondiaux d'information en sciences sociales
Rehabilitation Services Administration, Office of the Assistant Secretary for Human Development Services ; [prepared by the Information Exchange Program, Arkansas Vocational Rehabilitation Research and Training Center, University of Arkansas, and [by the] Arkansas Rehabilitation Services]