Nurhaliza N, Husufa N. Development of Website-Based Thousand Island Tour Package Booking Application Using Waterfall Method. journalisi [Internet]. 2022 Sep. 1 [cited 2026 Mar. 13];4(3):524-37. Available from: https://www.journal-isi.org.adsii.or.id/index.php/isi/article/view/279