Coastal Clean-Up, Optimization of Potential, and Coastal Education at Sepinggan Airport Beach, Gunung Bahagia, Balikpapan. SEPAKAT [Internet]. 2025 Dec. 30 [cited 2026 Nov. 2];4(4):167-82. Available from: https://journal.itk.ac.id/index.php/sepakat/article/view/8481700