Usman, A. U., M. Yusuf, and P. Jailan. “Underwater Communication Strategy For Diver Safety : "Analysis on Gapi Dive Center Ternate"”. International Journal of Education, Information Technology, and Others, Vol. 8, no. 1, Jan. 2025, pp. 284-92, https://jurnal.peneliti.net/index.php/IJEIT/article/view/13036.