Penggunaan grup fundamental dalam pembuktian ruang-ruang topologi yang tidak saling homeomorfik
Universitas Indonesia, 2008
 UI - Skripsi Membership
Morgan, John W., 1946
Differential topology of complex surfaces : elliptic surfaces with pg̳=1: smooth classification
Springer-Verlag, 1993
 Buku Teks SO
Armstrong, M.A.
Basic topology: with 132 illustrations/Mark Anthony Armstrong
Springer-Verlag , 1983
 Buku Teks SO
Croom, Fred H.
Principles of topology/Fred H. Croom
Sounders College , 1989
 Buku Teks SO
James, I.M.
General topology and homotopy theory
Springer-Verlag , 1984
 Buku Teks SO