00588nam a22001937a 4500 179940 179940 20210719114206.0 ENG-129582 978-93-90113-59-0 850.00 EN-113114 DBAD/PUB 535 Ghatak, Ajoy Optics : / By Ajoy Ghatak 7th Alapakkam Mc Graw Hill 2020 444/1,Sri Ekambara Naicker Industrial Estate,Alapakkam,Porur Chennai 600116 info.india@mheducation.com 18001035875 550p; 28cm(pbx) ddc EN 535 GHA 0 0 0 0 NFIC L L 2021-07-19 DBAD/PUB 850.00 7 8 535 GHA EN-113114 2025-07-29 00:00:00 2025-07-14 1 850.00 EN