An analysis of the effectiveness of small group operation in Samurdhi the program 
Sudarshanie. M.A.R. 
 -  2006. 
 - ix,61p.: 
<br/><br/> Medagama, S., & Jayasundara, N.J. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/11