00487nam a2200145Ia 4500008004100000040001700041082002500058100002200083245005800105260004600163300001400209650007600223700002300299700001900322190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta371.426bH393D  aHawkins, Layton S 0aDevelopment of vocational educationcLayton S Hawkins  aChicagobAmerican Technical Societyc1951  aix, 656p.  aVocational education-Law and legislation; Vocational education-Planning  aProsser, Charles A  aWright, John C