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Buku Teks
Lewis, Richard D., author
Remaja Rosdakarya, 2004
Buku Teks
edited by Joyce Merrill Valdes
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Buku Teks
Lean Mei Li, Mya Khemlani David, Ngew Yeok Meng, editor
University of Malaya, 2011
Buku Teks
Lewis, Richard D., author
Remaja Rosdakarya, 1997
Buku Teks