Nurzaman, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2019
UI - Skripsi (Membership)
Padovan, Richard, author
Routledge, 2002
Buku Teks
edited by Madeleine M. Leininger
National League for Nursing Press , 1991
Buku Teks
Stein, David Lewis
Oberon Press, 1978
Buku Teks
Stein, Gunther
McGraw-Hill Book Company, Inc., 1945
Buku Teks