RUMBIAK, Melanesia N.W.; SETIAWAN, Johan. Evaluasi Usability Website library.umn.ac.id Universitas Multimedia Nusantara. Ultima InfoSys : Jurnal Ilmu Sistem Informasi, [S. l.], v. 8, n. 2, p. 87–94, 2017. DOI: 10.31937/si.v8i2.618. Disponível em: https://ejournals.umn.ac.id/index.php/SI/article/view/618. Acesso em: 1 aug. 2025.