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14by Nasution, J.U., Nasution, J.U, Hamidy, Basyral, Damono, Sapardi Djoko, Suhardjo, SuhardjoGet Fulltext
Published 1981
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18by Nasution, Chairani, Sriasrianti, Sriasrianti, Hutasuhut, Anharuddit, Hidayat, ZufriGet Fulltext
Published 2018
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