TY - BOOK AU - Acosta Solís,Misael TI - Tagua or vegetable ivory - A forest product of Ecuador KW - Tagua KW - Producción KW - Ecuador N1 - Tagua : Ecuadorian species, Cammon names, Habitat and distribution, Vegetative development and production, Exploitation and rudimentary cultivation of Tagua in Esmeraldes province, Insects and diseases, Production and markets, Native uses of tagua, Perpetuation and economic future of tagua ER -