TY - BOOK AU - National Council of Educational Research and Training TI - Mathematics for junior high school. U1 - 510 PY - 1962/// CY - New Delhi PB - National Council of Educational Research and Training N1 - National Council of Educational Research and Training: Mathematics for junior high school. Vol 1, Part 2. New Delhi. National Council of Educational Research and Training, 1962.--(510NAT) ER -