HASUGIAN, Leonardi Paris; SUKARTA, Sintya; SYAFARIANI, Raden Fenny. Analisis Pembangunan Sistem Informasi Pengelolaan Lingkungan Bebas Sampah Terintegrasi di Wilayah Pariwisata Indonesia. Ultima InfoSys : Jurnal Ilmu Sistem Informasi, [S. l.], v. 8, n. 2, p. 54–61, 2017. DOI: 10.31937/si.v8i2.600. Disponível em: https://ejournals.umn.ac.id/index.php/SI/article/view/600. Acesso em: 15 jul. 2025.