Nhan N T H 1998:
Effect of Sesbania grandiflora, Leucaena leucocephala, Hibiscus rosa-sinensis and Ceiba pentadra on intake, digestion and rumen environment of growing goats.
Livestock Research for Rural Development. Volume 10, Article #22.
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, from http://www.lrrd.org/lrrd10/3/nhan1.htm