Browsing by Author "Jayaratne, O."
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Item Artificial rain:is it feasible?(NARESA:Colombo, 1976) Jayaratne, O.Item Science policy in under-developed countries(NARESA:Colombo, 1976) Jayaratne, O.Item The social role of the scientist(National Science Council:Colombo, 1977) Jayaratne, O.