00442nam a2200157Ia 4500 210719s1975 xx 000 0 und d eng 510 NATM NATIONAL COUNCIL OF EDUCATIONAL RESEARCH & TRAINING Mathematics: a textbook for secondary schools. P.1 ND NCERT 1975 xvii,368 PB 8 Rs Mathematics NCERT maths for class IX 212908 212908 0 0 0 0 Mathematics AL AL 1996-05-22 8.00 0 510 NATM D01008 2021-07-19 00:00:00 2021-07-19 DB