Paul J. Gertler, Sebastian Martines, Patrick Premand, Laura B. Rawlings, Christel M.J. Vermersch
World Bank, 2011
Buku Teks
Pennsylvania Elsevier, 2014
Buku Teks SO
Anderson, Scarvia B., author
Jossey-Bass, 1978
Buku Teks
Nugent William R., author
Thomson Learning, 2001
Buku Teks
Litwack, Lawrence, author
National League for nursing press , 1985
Buku Teks SO