Artikel Jurnal
Setiawan, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2021
UI - Tesis (Membership)
edited by David Marr and A.C. Milner
Singapore, Australia Institute of Southeast Asian Studies and Australian National University 1986
Buku Teks
Heawood, Edward, 1863-1949, author
Paper Publications Society, 1986
Buku Teks
edited by David G. Marr and A.C. Milner
ISEAS, 1990
Buku Teks