Chartrand, Gary, author
CRC Press, 2015
Buku Teks
edited by P. Hansen
North-Holland, 1981
Buku Teks
Chartrand, Gary
Prindle, Weber & Schmidt , 1977
Buku Teks
Kevin Kamal, author
2017
UI - Skripsi (Membership)
Rahima Fitriani, author
Universitas Indonesia, 2017
UI - Skripsi (Membership)