Sen, . Rastrabiggan (Hons & P. G.) : brillint guide to W.B. central school service examination / Sen & Sharma. - rev. ed / . - Kolkata : Benu Prakashani , 2008. - xi, 320p. : ill. ; 23cm . Note book SSC NULL ISBN: RS90.00 (Pb.) Subjects--Index Terms: POLITICAL SCIENCE-GUIDE BOOK Dewey Class. No.: 320.076 / SEN/R