Policies and perspectives for the economic and social development of the escap region: review and appraisal of the implementation of the substantial new programme of action for the 1980s for the least develop countries (item 4 (c) of the provisional agenda) : report on the implementation of commission resolution 242 (XLI) on the implementation of the substan (ESCAP : forty-second session 22 April-2 May 1986, 1986)