00588nam a2200205Ia 4500 20250508162057.0 008 250505s9999 xx 000 0 eng d Books to be hide in OPAC FEDL eng FEDL eng eng 510.7, SID/O FEDL Sidhu Kulbir Singh 612021 Teaching of mathematics New Delhi, India Sterling Publishers 1971 315p INR 15 Mathematics - Teaching 756825 HB 510.7, SID/O 1374243 1374243 0 0 0 0 FEDL FEDL 2025-05-08 15.00 0 510.7, SID/O EL0064254 2025-05-08 16:20:57 2025-05-08 HB