Janagahanaya Viyapathveema- ( Ageing Of Population- An Emerging Issue )
2008 | View More »
Goliya Unusum Vina Saha Paricharika Abhiyoga- ( Global Warming & Environmental Threats )
2008 | View More »
Kiri Karmanthaya Getalu Saha Abimathartha- ( Dairy Industry- Problems and Prospects )
2008 | View More »
Aahara Arbudaya Saha Surakshithathavaya- ( Food Crisis And Food Security )
2008 | View More »
Jathyanthara Veladama Saha Srilankavata Balapana Athem Getalu
2009 | View More »