Kerslake, D. McK.
Cambridge University Press, 1972
Buku Teks SO
Veerasamy Sejian, editor
[, Springer], 2012
eBooks
Nafees A. Khan, editor
[, Springer], 2012
eBooks
Simaremare, Rumiris Feronika, author
2016
UI - Tesis Membership
Dianth Kartina, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2015
UI - Skripsi Membership