Alivia, Annisa Risda, Syasya Qonita Azizah, and Alok Shukla. “The Least Squares Concept in Reducing Noisy Signal of Single-Beam Acoustic Systems: Ocean Depth Measurement to Support Maritime Defense Systems”. International Journal of Applied Mathematics, Sciences, and Technology for National Defense 3, no. 3 (December 30, 2025): 161–170. Accessed January 12, 2026. https://journal.foundae.com/index.php/JAS-ND/article/view/643.