Analysis of the application of the Hertzberg's two factor Theory on employee performance in the Divisional secretariat Elpitiya 
Gamage, A.N.B. 
 -  2006. 
 - ix,49p.: 
<br/><br/> Serasinghe, P., & Amaragunasekara, A.L. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/19