Seven lenses or environmental principles as if adults mattered / 7 lenses or environmental principles as if adults mattered by Angelina P. Galang ... [et al.]. - c2003. - 154 pages : illustrations ; 26 cm Includes bibliographic references. Includes bibliographical references. ISBN: 9789715694605 9715694608 LCCN: 2008337104 Subjects--Topical Terms: Envrironmental education.Envrironmental science. LC Class. No.: MLCSE 2013/00610 (G) Dewey Class. No.: 363.7