TY - BOOK AU - Black, Douglas, AU - ED - ED - ED - ED - SN - 0631147640 :;0631147659 (pbk.) : SN - 2 PY - 1987///46 CY - Oxford, UK ;;New York, NY, USA PB - Basil Blackwell KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Vocational guidance KW - Medicine.;Public health.;Medicine;Medicine N1 - Includes index; Bibliography: p. 198-205; 5 ER -