00503nam a22001937a 4500 3085 BD-DhBUF 20260519114306.0 260519b bg ||||| |||| 00| 0 ben d 9781316644034 BD-DhBUF BD-DhBUF Ghatak, Ajoy 4431 Optical electronics / Ajoy Ghatak, K. Thyagarajan xii, 624p.: 23cm. ; CSE, TE, IE Optical electronics 3780 K. Thyagarajan ddc BK 3085 3085 0 0 ddc 0 0 BUFTL BUFTL 2026-05-16 Donation ( Mr. Faruque Hassan. Chairman, BUFT ) 0 2026-0077 2026-05-19 11:43:46 C-1 2026-05-19 BK