Browsing by Author "Rajapaksha, U."
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Item Ancient food and farming systems in Sri Lanka(National Science Foundation:Colombo, 1999) Rajapaksha, U.Item Ancient food and farming systems in Sri Lanka(National Science Foundation of Sri Lanka, 1999-02) Rajapaksha, U.Item Food security(1997) Rajapaksha, U.Item Modern built environments(NSF:Colombo, 2019-01) Rajapaksha, U.