ROHMAN, U.K. SIKHYA MANUBIGYAN PARICHAY (For Pre-University Course) (Vol-2) - 1ST. - JORHAT: A.Z.AHMED, 1975. - 261: 18CM. BOOK was before in BOOK BANK Acc.No.LB 261, Now New Acc.No.09679 Subjects--Index Terms: Educational Psychology Dewey Class. No.: 370.15 RIH