Hurlock, Elizabeth Bergner, 1898-
[publisher not identified], [date of publication not identified]
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Upton, Penney
Erlangga, 2012
Buku Teks SO
Yudrik Jahja
Kencana Prenada Media, 2011
Buku Teks SO
Yudrik Jahja
Kencana Prenada Media, 2011
Buku Teks SO
Agus Sujanto
Rineka Cipta , 1996
Buku Teks SO