Panggabean, H.P., author
Citra Aditya Bakti, 1992
Buku Teks
Panggabean, H.P., author
Citra Aditya Bakti, 1993
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Panggabean, H.P., author
[publisher not identified], [date of publication not identified]
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Tatanusa, 2003
Buku Teks
Eddy Djunaedi Karnasudirdja, author
Tatanusa, 2006
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