Bhatia, A. G. Bridge equipment and watchkeeping / Capt. A. G. Bhatia - India : Gopilata Education Hub, [2022] - iv, 115 p. : ill. ; 28 cm. ISBN: Rs. 500.00 Subjects--Topical Terms: Merchant marine--Watch duty--TextbooksNavigation--Textbooks Dewey Class. No.: 623.89 / B4695