Romli Noor Ahmad
Suatu tinjauan tentang subset fuzzy dan aplikasinya
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1985
 UI - Skripsi (Membership)
Multi objective fuzzy ant colony optimization design of supply path searching
[Fakultas Ilmu Komputer Universitas Indonesia, Universitas Islam Negeri. Sains dan Teknologi], 2012
 Artikel Jurnal
Pal, Sankar K.
Fuzzy : pendekatan matematik untuk pengenalan pola=Fuzzy mathematical approach to pattern recognition
UI-Press, 1989
 Buku Teks
Fuzzy sets and their applications to cognitive and decision processes / edited by Lotfi A. Zade ...[et al.]
Academic Press, 1975
 Buku Teks
Phil Kim
Comparing goverment performance indicators: a fuzzy-set analysis
Seoul National University, 2019
 Artikel Jurnal