TY - BOOK AU - Hopson, Barrie AU - Hayes, John TI - The theory and practice of vocational guidance : a selection of readings T2 - Pergamon international library of sciences, technology, engineering and social studies SN - 0-08-013391-6 PY - 1975/// CY - Oxford PB - Pergamon Press KW - 37.048.3 KW - int KW - fre ER -