H. Arfah, D. T. Soelistyowati, and A. Bulkini, “Masculinization of betta fish Betta splendens by embryo immersion in extract of purwoceng Pimpinella alpina”, Jurnal Akuakultur Indonesia, vol. 12, no. 2, pp. 144–149, May 2015, doi: 10.19027/jai.12.144-149.