SUFA’ATIN, Sufa’atin. Implementasi Probability Impact Matriks (PIM) Untuk Mengidentifikasi Kemungkinan dan Dampak Risiko Proyek. Ultima InfoSys : Jurnal Ilmu Sistem Informasi, [S. l.], v. 8, n. 1, p. 43–47, 2017. DOI: 10.31937/si.v8i1.555. Disponível em: https://ejournals.umn.ac.id/index.php/SI/article/view/555. Acesso em: 8 oct. 2025.