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A. H. Yazdani, . and A. R. Anuar, . and M. S. Kamarudin, . and Khoda Bakhsh H., . and C. R. Saad, . (2005) Effect of peat soil humic acid and organic fertilizer on the growth of algae in freshwater ecosystem. [Proceedings Paper]
A. R. Anuar, . and Rosmaidar Djafruddin, . (1997) Toxic level of manganese concentration on growth of vegetable soybean Glycine max L. Merr c.v. Ags 190 in solution culture. [Proceedings Paper]