Nhan N T H, Man N V and Preston T R 2009: Biomass yield of Hymenachne acutigluna and Paspalum atratum in association with Sesbania sesban on seasonally waterlogged soils and their use as feeds for cattle in the Mekong delta, Vietnam. Livestock Research for Rural Development. Volume 21, Article #121. Retrieved , from http://www.lrrd.org/lrrd21/8/nhan21121.htm