Sen, . Premire guide to W.B.C.School service commission examination 2012 : geography / Sen and Sundaram. - / . - Kolkata : Teachers Book Concerns , 2012. - iv, 332p. : ill.,table ; 21cm . NULL ISBN: RS110.00 (pbk) Subjects--Index Terms: GEOGRAPHY-GUIDE BOOK Dewey Class. No.: 910.76 / SEN/P