Kavitha, A, N Ashok Kumar, and M Revathy. “Automatic Identification of Maritime Boundary Alert System Using GPS”. International Journal of Engineering and Technology 7, no. 3.1 (August 4, 2018): 20–22. Accessed May 20, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/16788.