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3by Oemar, Mohammad, Sudaryo, Sudaryo, Suharyono, Suharyono, Waryono, Waryono, Amien, Mohammad, Sudharto, Sudharto, Siregar, Siregar, Sudarno, Sudarno, Prayin, Prayin, Sugianto, Sugianto, Mudiyastuti, Mudiyastuti, Suhandini, Purwadi, Didyatmoko, Suwarno, Prayitno, BudiGet Fulltext
Published 1978
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Academic Paper