HANAFI, Arief Rahman; FARIZY , Salman. RANCANG BANGUN SISTEM INFORMASI HELPDESK IT SUPPORT BERBASIS WEB DENGAN METODE WATERFALL (STUDI KASUS PT ASTRINDO SATRYA KHARISMA). Jurnal ESIT (E-Bisnis, Sistem Informasi, Teknologi Informasi), [S. l.], v. 20, n. 2, p. 285–293, 2025. Disponível em: https://openjournal.unpam.ac.id/index.php/ESIT/article/view/53403. Acesso em: 3 feb. 2026.