Koren, Herman, author
Lewis Publishers, 1996
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Pedro M. Arezes, Joao S. Baptista, Monica P. Barroso, Paula Carneiro, Patricio Cordeiro, Nelson Costa, Rui B. Melo, A. Sergio Miguel, Goncalo Perestrelo, editors
Springer Nature, 2019
eBooks
Barrett, Brenda, author
M&E Handbook Series, 1995
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Anton, Thomas J., author
McGraw-Hill, 1979
Buku Teks
Friend, Mark A., author
Bernan Press, 2014
Buku Teks