Study of effectiveness of marketing strategies of the Department of Industries Western Province 
Wipulasena, A.A. 
 -  2007. 
 - x,58p.: 
<br/><br/> Medagama, S., & Wijekoon, W.M.M.G.D. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/008