Bunraksa P. Two-Way Communication System between Surface Controller and Diver via Signal Buoy for Enhanced Underwater Safety. Def. Technol. Acad. J. [internet]. 2025 Dec. 27 [cited 2026 Sep. 12];7(16):R65 - R76. available from: https://sc01.tci-thaijo.org/index.php/dtaj/article/view/241525