Artikel Jurnal
Medical Journal of Indonesia, 12 (4) October December 2003: 207-114, 2003
Artikel Jurnal
Almira Bastari, author
Gramedia Widiasarana Indonesia , 2017
Buku Teks
Amran, author
RSON, 2015
Artikel Jurnal
Duden, Ellington
Contemporary Books, 1981
Buku Teks