A study on factors affecting the job performance of Srilankan HR managers of the organisations registered under National Institute of Business Management 
Ukwattage, M.P. 
 -  2015. 
 - xii,101p.: 
<br/><br/> Sudasinghe, S.R.S.N. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/266