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Febriani, E. F.; Widodo, M. S. .; Faqih, A. R. . Effect of Dosages and Temperatures on Simalungun Red Ginger (<I>Zingiber officinale</I> Var. Rubrum) Ethanol Extract Dipping on Masculinization of Zebra Fish (<I>Danio rerio</I>) As a Model Fish. JIPK 2023, 15, 15-30.