Clark, Burton R., author
University of California Press, 1968
Buku Teks
Hinzen, Heribert, author
Adult Education, 1982
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Muhammad Maulidiansyah, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2002
UI - Tesis (Membership)
Eti Masiyati, author
Fakultas Ilmu Keperawatan Universitas Indonesia, 2021
UI - Tesis (Membership)
Knowles, Malcolm S., author
Routledge, 2015
Buku Teks