00653nam a22002057a 4500 20250106161543.0 B-761564 9789355019424 630.00 B-761564 Gift 500 Gowel, B.K. 75927 Revised Edition Science Mission/ B. K. Gowel and Sangeeta Singhal New Delhi S. Chand 202? B-1/E-7 Mohan Estate, Badarpur, New Delhi New Delhi 110044 222p. col.ill 28cm(pb) Singhal, Sangeeta 75928 ddc CH GOW 500 208090 208090 0 0 0 0 NFIC L L 2025-01-06 Gift/19.12.24 630.00 0 GOW 500 B-761564 2025-01-06 00:00:00 1 630.00 2025-01-06 CH Gift