@book{15682,
	author = {Parra Tibaquira, Oscar Esneyner and Oscar Esneyder Parra Tibaquira},
	title = {Purificadores artesanales para los dispensadores de agua de pozos o aljibes, Espinal Tolima},
	publisher = {ITFIP},
	year = {2019},
	address = {Espinal Tolima}
}