Hussain Ch. Ghulam World environment-day June 2012 : on the theme of "green economy -does it include you?" Engr. Ch. Ghulam Hussain - - Lahore Pakistan Engineering Congress c2012. - 122 p. : 24 cm. ISBN: 9789696030126 Subjects--Topical Terms: World Environment--General Dewey Class. No.: 341.3762 HUS