Ravishankar B S Environmental studies - Ludhiana: Kalyani Publishers, 2022. - viii,201p. PB 24x18cm. The book is written strictly as per NEP 2020 for all under Graduate Courses where it is an open elective course across all the streams in universities across Karnataka. ISBN: 9789355400321 Subjects--Topical Terms: EnvironmentEcosystemsNatural ResourcesEnvironmental Pollution Dewey Class. No.: 574.5 / RAVE