Schultze-Kraft, Rainer, Idupulapati M. Rao, Michael Peters, Robert J. Clements, Changjun Bai, and Guodao Liu. 2018. “Tropical Forage Legumes for Environmental Benefits: An Overview”. Tropical Grasslands-Forrajes Tropicales 6 (1):1-14. https://doi.org/10.17138/tgft(6)1-14.