JuniorM. Z., YuniantiA., DewiR., & SumawidjajaK. (2007). Effect of exposure time of pregnant females guppies, Poecilia reticulata Peters, in 17a-methyltestosterone solution on sex ratio of their offsprings. Jurnal Akuakultur Indonesia, 1(1), 47-54. https://doi.org/10.19027/jai.1.47-54