00338nam a2200121Ia 450000500170000000800410001708200150005810000170007324500540009026000450014430000130018965000140020220240821152050.0240821s9999||||xx |||||||||||||| ||und||  a371.42 DAV  aDavid, Henry 0aEducation and manpower: National manpower council  aNew YorkbColumbia University Pressc196  axvi,326p  aEducation