Silva, E.I.L.
Water quality of Sri Lanka : a review on twelve water bodies - Kandy: Institute of Fundamental Studies, 1996. - vii, 141 p.
9552600332
Water resources - Sri Lanka
Water - Quality
333.91 / SIL
Water quality of Sri Lanka : a review on twelve water bodies - Kandy: Institute of Fundamental Studies, 1996. - vii, 141 p.
9552600332
Water resources - Sri Lanka
Water - Quality
333.91 / SIL