Tieng Viet
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Luan an Tien sT Dia chat.
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6. Dang Trung Thuan (2005), Dia hoa hoc, Nha xult ban Dai hpc Quoc gia Ha Noị
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8. NguySn Thi Minh Thuyk va nnk (2007), bao cao tdng kk de tai DHQG, ma so
QT.07.40 "Nghien ciiu dac di^m thach luan da chira corindon hai viing md True Lau va Luc Yen".
Ti^ng Anh
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Hanoi September 26 - October2, 2005. p3 - 8.
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