Gordon, Gary
John Wiley & Sons, 1995
Buku Teks
Chairunnisa Luthfya Nurifana
2019
UI - Skripsi Membership
Lyons, Stanley L.
Newnes, [date of publication not identified]
Buku Teks
Nadya Syafira
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2016
UI - Skripsi Membership
Cornell, Jane
Creative Homeowner Press, 1996
Buku Referensi