[publisher not identified], [date of publication not identified]
Naskah
[publisher not identified], [date of publication not identified]
Naskah
[publisher not identified], [date of publication not identified]
Naskah
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis (Membership)
Lusi Gevirasi Yesti
Dinas pendidikan kota Padangpanjang, 2013
Artikel Jurnal