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Learning Matters, 2012
Buku Teks
Rogers, Michaela, author
Sage, 2019
Buku Teks
Kirst, Ashman Karen Kay, author
Cengage Learning, 2013
Buku Teks
Kirst-Ashman, Karen Kay, author
Cengage Learning , 2017
Buku Teks
Paul, Richard W.
Prentice-Hall, 2002
Buku Teks