National Council of Educational Research and Training(India)
Mathematics: a textbook for secondary schools; part. 1/ - New Delhi: NCERT, 1985 - xi, 260
13701-08-2003
Mathematics-Textbook
Mathematics: a textbook for secondary schools; part. 1/ - New Delhi: NCERT, 1985 - xi, 260
13701-08-2003
Mathematics-Textbook
