Assesing writing

 Weigle, Sara Cushing;

New York : Cambridge University Press , 2002

Assesing speaking

 Luoma, Sari;

New York : Cambridge University Press , 2004

Assesing young language learners

 Mckay, Penny;

New York : Cambridge University Press , 2006

Assesing vocabulary

 Read, John;

New York : Cambridge University Press , 2006

Assesing grammar

 Purpura, James E.;

New York : University of Chicago Press , 2005

Strategi jitu meraih skor TOEFL 600 dalam 1 bulan

 Priyasudiardja, Yusup;

Bandung : Mizan , 2015

Criterion-referenced language testing

 Brown, James Dean.; Hudson, Thom.;

New York : Cambridge University Press , 2002

Assesing reading

 Alderson, J. Charles;

New York : Cambridge University Press , 2000

Solutions to exercises : chemistry the central science

 Wilson, Roxy;

California : Pearson Education , 2015

Teori dan soal-soal kalkulus lanjut

 Spiegel, Murray R.; Simarmata, Lemeda; Wrede, Robert; Indriasari, Refina; Mariani, Siti;

Jakarta : Erlangga , 2007

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