Biro Hukum dan Organisasi Depdiknas,
Majalah, Jurnal, Buletin
Situmeang, C., author
[Publisher not identified], 1982
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Andryan, author
Setara Press, 2022
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H. Abdullah Irvan Masduki, author
Universitas Borobudur, 1997
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Saragih, Djaren, author
Tarsito, 1980
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