(Author) Monkhouse, F.J. and Wilkinson, H.R., 1989: Maps and Diagrams, B.I. Publications Ltd., Mumbai. 25/08/202225/08/2022 Puspa Kakati
(Author) Thornbury W. D., 1968: Principles of Geomorphology, Wiley. 25/08/202225/08/2022 Puspa Kakati
(Author) Strahler, A. N. and Strahler, A. H., 2008: Modern Physical Geography, John Wiley & Sons, New York. 25/08/202225/08/2022 Puspa Kakati
(Author) Skinner, Brian J. and Stephen C. Porter (2000), The Dynamic Earth: An Introduction to Physical Geology, 4th Edition, John Wiley and Sons. 25/08/202225/08/2022 Puspa Kakati