Browsing by Author "De Silva, D.N."
Now showing 1 - 1 of 1
- Results Per Page
- Sort Options
Item The effectiveness of different radio program formats for the dissemination of information on safe use of insecticides in paddy cultivation in Mahaweli system-C of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1997) De Silva, D.N.; Garforth, C.J.