Boolos, George
Logic, logic, and logic
Harvard University Press, 1998
 Buku Teks SO
Logic-to-logic comparator
Fakultas Teknik Universitas Indonesia, 1991
 UI - Laporan Penelitian
Fadhilla Nugraha Saputra
Evaluasi Terhadap Prosedur Due Diligence atas Piutang Usaha pada PT OI = Evaluation of Due Diligence Procedures for Accounts Receivable at PT OI
Fakultas Ekonomi dan Bisnis Universitas Indonesia , 2020
 UI - Tugas Akhir
Ching, Lai Sheng
Threshold logic
Ryerson Press, 1969
 Buku Teks
Copi, Irving M.
Symbolic logic
Prentice-Hall, 1979
 Buku Teks