@book{256378,
	author = {Freitas, S.L.R.},
	title = {Certification, agricultural waste, organic production, herbal medicine and biotechnology in the conception of farmers of the State of Goiás},
	url = {http://www.scielo.br/pdf/rceres/v63n4/2177-3491-rceres-63-04-00444.pdf}
}