Referensi : Boyd, C.E. 1982. Water Quality Management for Pond Fish Culture. Elsevier Scientific Publishing Co. Amsterdam-Oxford-New York. 316 pp. Correll, D.L., T.E. Jordan and D.E. Weller. 1991. Nutrient Flux in a Landscape : Effects of Coastal Land Use and Terrestrial Community Mossaic on Nutrient Transport to Coastal Waters. Couplings Between Watersheds and Coastal Waters. Fifth International Congress of Ecology (Intecol), pp. 431 - 442 Ludwig, B. and G. Gale. 1991. Evaluation of Two Methods for Oxygenating Hatchery Water Supplies. Fisheries Bioengineering Symposium, no. 10, pp. 437 -444 Welch, P.S. 1952. Limnology. McGraw-Hill Book Co., Inc. New York. 538 pp.
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