Grossman, J.
WHO, 1988
Buku Teks
edited by Haruo Katsunuma, Nobuhiro Maruchi and Masami Togo
SEAMIC, 1977
Buku Teks
1992
Buku Teks SO
Gunaratne, V.T. Herat
Tata McGraw-Hill, 1977
Buku Teks SO
World Health Organizaion, Regional Office for South-East Asia, 1988
Buku Teks