00345nam a2200109Ia 4500008004100000082001500041100002000056245009600076250000800172260004700180300000800227190328s9999||||xx |||||||||||||| ||und||  a425bRYA/C  aRyans, David G. 0aCharacteristics of Teachers: Their Discription, Comparison and Appraisal : A Research Study  a1st  aDelhibSterling Publishers Pvt. Ltd.c1969  a416