Harrison, Richard
Churchile Livingstone, 2001
Buku Teks SO
Criddle, Evan J
Cambridge University Press, 2016
eBooks
De Goyet, C. de Ville
World Health Organization, 1978
Buku Teks SO
edited by Rifat Latifi, Ronald K. Poropatich, George J. Hadeed
Artech house, 2011
Buku Teks SO
Mehta, Vivek
LAP LAMBERT Academic Publishing, 2014
Buku Teks SO