Johanna Debora Imelda, author
[, ], 2014
UI - Makalah dan Kertas Kerja
The Singapore National Institute of Chemistry, 1982
Buku Referensi
Washington: LCSH, 1994,
Buku Referensi
Chandran Jeshurun, author
Arus Intelek Sdn Bhd, 2004
Buku Referensi
APA Publications, [date of publication not identified]
Buku Referensi