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
"Topology vol. II: colloquia mathematica societatis janos bolyai, 23"
"Amsterdam: North-Holland Publishing Company, 1980",
 Buku Teks
Hocking, John G.
Topology/ John G. Hocking, Gail S. Young
Addison-Wesley, 1962
 Buku Teks SO
Mansfield, Maynard J.
Introduction to topology
Robert E. Krieger, 1972
 Buku Teks SO