Winrock International Institute for Agricultural Development, Forestry/Fuelwood Research and Development Project; IDRC; Nitrogen Fixing Tree Association; Banpot Napompeth; MacDicken, K.G.(Winrock International Institute for Agricultural Development?, Morrilton, Ark.?, US, 1990)
BAIF Development Research Foundation; Winrock International Center for Economic Policy Studies; FAO; Nitrogen Fixing Tree Association; IDRC; Taylor, D.A.(Kaselsart University, Bangkok, TH, 1992)
Central Inland Fisheries Research Institute; IDRC; Jhingran, V.G.; Natarajan, A.V.; Tripathi, S.D.; Chaudhuri, H.(Central Inland Fisheries Research Institute, Barrackpore, IN, 1979)