Laurentius M. Adrianto Lesmana
Universiteitvan Amsterdam, 1989
Buku Teks SO
Pollack, Robert S.
Medical Economics, 1980
Buku Teks SO
Iris F. Benzie, Sissi Wachtel Galor, editor
CRC PRESS, 2011
Buku Teks SO
edited by Sabine Oertelt-Prigione, Vera Regitz-Zagrosek
Springer, 2012
eBooks
McConnell, Edwina A.
J.B. Lippincott, 1987
Buku Teks SO