Koestoro LP, Purnawibowo S, Oetomo RW. Dinamika Aktivitas Kemaritiman Di Pulau Kampai, Kota Cina, Dan Kota Rantang, Sumatera Utara. BAS [Internet]. 2017May21 [cited 2025Apr.24];19(2):96-109. Available from: https://sangkhakala.sultanateinstitute.com/index.php/SBA/article/view/28