Browsing by Author "Rathnayake, M.P.K."
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Item A comparison of citric acid solubilities of commercially available Eppawala rock phosphate and selectively mined primary apatite crystals after mixing with peat(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1993) Rathnayake, M.P.K.; Kumaragamage, D.; Dahanayake, K.