WIJAYA SIPAHUTAR; FAHRUL ROZI LUBIS. WEB-BASED CHURCH WORSHIP SERVICE INFORMATION SYSTEM USING THE SPIRAL MODEL: A CASE STUDY OF GKPI AIR BERSIH. Jurnal Kecerdasan Buatan dan Teknologi Informasi, [S. l.], v. 5, n. 1, p. 49–56, 2026. DOI: 10.69916/jkbti.v5i1.394. Disponível em: http://ojs.ninetyjournal.com/index.php/JKBTI/article/view/394. Acesso em: 23 jan. 2026.