00871nam0-22002891i-450-99000624051040332119980601000624051FED01000624051(Aleph)000624051FED0100062405119980601d1926----km-y0itay50------ba----m---00-yy<<A >>Method for Predicting Lenght of Service...a Thesis in EducationFranklin R. Cawl.PhiladelphiaUniversity of Pennsylvania1926146 p.24 cm"University of Pennsylvania. Theses4658.3Cawl,Franklin R.236136ITUNINARICAUNIMARCBK990006240510403321DISSERT. 1 (4)1642FGBCFGBCMethod for Predicting Lenght of Service..636747UNINAGIU01