Analysis of factors affecting motivation of clerical and allied grade staff in the University of Colombo 
Rathnayake, D.K.M. 
 -  2015. 
 - xiii,100p.: 
<br/><br/> Thilakasiri, M., & Gunawardena, M. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/280