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1著者: Purba, M. D.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1976Medan : Yayasan Perguruan Ramajaya, [1976]-v. : ill. ; 19-21 cm. -
2著者: Purba, M. D.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1978Medan : Purba, 1978.75 p. : ill. ; 22 cm. -
3著者: Purba, M. D.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1977Medan : Purba, 1977.68 p. : ill. ; 21 cm. -
4著者: Purba, M. D.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1980Medan : Purba, 1980.38 p. : ill. ; 21 cm. -
5著者: Purba, M. D.### CRL customization ### ?> ### Add publisher and desc details ### ?>
出版事項 1979Medan : M.D. Purba, 1979.42 p. : ill. ; 21 cm.