Tengku Rika Valentina, author
2013
Artikel Jurnal
World Health Organization , 1988
Buku Teks
Garcia-Borras, Thomas, author
Gulf Publishing Company, 1983
Buku Referensi
edited by Albert Thumann
The Fairmont Press, 1988
Buku Referensi
edited by Albert Thumann
Fairmont Press, 1988
Buku Referensi