Browsing by Author "Jayawardena, U. De S."
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Item Identification of the most suitable rock types for manufacture of quarry dust in Sri Lanka(National Science Foundation:Colombo, 2008-9) Jayawardena, U. De S.; Dissanayake, D.M.S..Item A preliminary study on the chemical quality of ground water in the Andella oya basin of Sri Lanka(National Science Council:Colombo, 1991) Jayawardena, U. De S.