World Environment Day on the Theme of Join the Race to Make the World a Better Place Held on June 4, 2016 - Lahore : Pakistan Engineering Congress, 2016 - VIII, 205 p. : ill Includes Bibliographical References ISBN: 9789696030300 ISSN: Subjects--Topical Terms: Environmental Protection Congresses Dewey Class. No.: 363.795491 / WOR