THORPE (Edgar);THORPE (Showick) General wtudies: paper-1 for civil services preliminary examintion: Vol 3 geography and environmental ecology - Delhi Pearson 2016 - vi,3.418 PB - 3 . ISBN: 978-93-325-5870-0 Subjects--Topical Terms: GeneralGeneral Knowledge Dewey Class. No.: 032.02 / THOG