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McGraw-Hill, 1965
Buku Teks
Yosef Muhamad Rchman Baniaz, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2019
UI - Tesis Membership
Diah Sulastri, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2008
UI - Tesis Open
Drazen, Erica L., author
Springer, 1995
Buku Teks
Baeza-Yates, Ricardo, author
Addison-Wesley, 2011
Buku Teks