D. V. Thu, D. V. Binh, T. X. Khoi, L. T. Hue, and V. T. Ninh, “Application of lhrha and hcg to stimulate spermiation and spawning of the toad, Duttaphrynus melanostictus (Schneider, 1799)”, AJB, vol. 36, no. 2, pp. 259–264, Oct. 2014.