A STUDY ON THE IMPACT OF COMMUNICATION STRATEGIES ON IMPROVING PRODUCTIVITY OF DAIRY FARMERS  eng. 
Gunawardena, I M Y N. 
 - xi, 79p.:  30cm. 
<br/><br/> Wijekoon, W.M.G.D.D. & Jayasundara, Neranjala J. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/179