Torres-Coronas, Teresa, author
Idea Group Publishing, 2005
Buku Teks
Peruta, Maria Rosaria Della, author
Emerald, 2016
eBooks
Taty Hernawaty, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2020
Artikel Jurnal
Baird, Lloyd S., author
Business One Irwin, 1992
Buku Referensi
Wang, K.P.
Westview Press, 1977
Buku Teks