Schell, Barbara A. Boyt
Lippincott Williams & Wilkins, 2014
Buku Teks
Crepeau, Elizabeth Blesedell
Wolters Kluwer, 2009
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Edward A.S. Duncan
Churchill Livingstone Elsevier, 2011
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Cara, Elizabeth
Cengage Learning, 2013
Buku Teks
Della Ocksania
Fakultas Ilmu Administrasi Universitas Indonesia, 2015
UI - Skripsi (Membership)