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3by Poerwadi, Petrus, Usman, Moses, Siregar, Lukman Hakim, Sofyan, Diana, Mariyedi, MariyediGet Fulltext
Published 1993
Academic Paper -
4by Doko, Dominicus, Andriastuti, Andriastuti, Andianto, M. Rus, Mulyani, Dewi, Sofyan, Diana, Mihing, SamuelGet Fulltext
Published 1991
Academic Paper