Wypych, George
Handbok of polymers
ChemTec , 2012
eBooks
Stanhope, Marcia
Handbok of community and home health nursing: tools for assessment, intervention, and education
Mosby Year Book, 1992
Buku Referensi
Anastasi, Anne
Psychological testing
Prentice-Hall, 1997
Buku Teks SO
Guion, Robert M.
Personnel testing
McGraw-Hill, 1965
Buku Teks
Anastasi, Anne
Psychological testing
Macmillan, 1988
Buku Teks SO