Prayetno, E., Jaswar Koto, & A.S.A. Kader.
" Feasibility Study of Win-In-Ground for Rescue Operation in Kepulauan Riau." <em>Journal of Ocean, Mechanical and Aerospace -science and engineering-</em> [Online], 1.1 (2013): 12-17. Web. 19 Oct. 2025