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Penebar Plus+, 2018
Buku Teks
Pearce, Evelyn C. (Evelyn Clare), author
Gramedia, 1983
Buku Teks
Poppy Puspita Rini, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2016
UI - Skripsi (Membership)
edited by Bruce Koeppen, Bruce A Stanton, Robert M Berne
Elsevier Mosby, 2010
Buku Teks
Munthe, Windha Elizabeth, author
Fakultas Psikologi Universitas Indonesia, 2016
UI - Tesis (Membership)