IMPLEMENTASI METODE WATERFALL DAN SYSTEM USABILITY SCALE TESTING PADA APLIKASI FISIOTERAPI PASIEN BPJS. INTI Nusa Mandiri, [S. l.], v. 19, n. 1, p. 31–39, 2024. DOI: 10.33480/inti.v19i1.5571. Disponível em: https://ejournal.nusamandiri.ac.id/index.php/inti/article/view/5571. Acesso em: 11 feb. 2026.