Escuela Primaria Lidia Doce Sanchez2008-10-242008-10-242000http://hdl.handle.net/10625/35948Oversized item; kept on top of shelving unitText1 oversize poster : ill.enWATER QUALITYTESTINGSTUDENT PARTICIPATIONCUBAWATER POLLUTIONSAMPLINGBrochure