Perancangan dan simulasi pengendali logika fuzzy
Fakultas Teknik Universitas Indonesia, 1994
 UI - Skripsi (Membership)
Haack, Susan
Deviant logic fuzzy logic: beyond the formalism/by Susan Haack
University of Chicago press , 1996
 Buku Teks
Nachrowi
Mathematical programming, seri 1
Universitas Indonesia , 1984
 Buku Teks
Fearnside, W. Ward
About thinking
Prentice-Hall, 1997
 Buku Teks
Salmon, Merrilee H.
Introduction to logic and critical thinking / Merrilee H. Salmon
Wadsworth, 2013
 Buku Teks