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Buku Teks
Jeanne H. Ballantine, Joan Z. Spade, editors
SAGE Publications, 2015
Buku Teks
Illinois, 1962
Buku Teks
Raven, John
HK Lewis, 1977
Buku Teks
Tuqan, Mustafa Izzat
The Hague Centre for the Study of Education in Changing societics, 1975
Buku Teks