Singh, R.L.. Elements of practical geography / by R.L. Singh and Rana P. B. Singh. - rev.and enl.ed / . - New Delhi : Kalyani Publishers , 1995. - xii,421p. : ills.,figs.,tables ; 24cm. . NULL ISBN: 8170964415 RS. 100.00 Subjects--Index Terms: GEOGRAPHY Dewey Class. No.: 910 / SIN/E