Browsing by Author "Udawatta, A."
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Item The colossus of the era who extended both his hands to help amateurs(National Science Foundation of Sri Lanka, 1997) Udawatta, A.Item The colossus of the era who extended both his hands to help amateurs(National Science Fundation:Colombo, 1997) Udawatta, A.Item Our ancient methods of pest control(National Science Foundation:Colombo, 1996) Udawatta, A.