004090000a22001450004500060000800000082001600008100002000024245002600044250000600070260004400076260000900120300000800129490006600137650006000203  a100  a371.404 JON  aJones, Arthur J  aPrinciple of guidance  a5  aNewyork, Mc Graw- Hill Book Company Inc  c1951  a293  aGuidance counseling and student personnel in education series  aEducation/ Guidance and counseling/ Vocational guidance