Nazari, A.,  & Roozbehani, S. (2015). Influence of Fennel Foeniculum Vulgar Extract on Fertility, Growth rate and Histology of Gonads on Guppy Poecilia reticulata. <i>Turkish Journal of Fisheries and Aquatic Sciences</i>, <i>15</i>,  463-469. http://doi.org/10.4194/1303-2712-v15_2_32