Berry, Ralph
The research project: how to write it
Routledge, 1994
Buku Teks
how to do research
Buku Teks
Berry, Ralph
The Research Project : How to Write it.
London : ROUTLEDGE, 1994,
Buku Referensi
Fraenkel, Jack R., 1932-2014
How to design and evaluate research in education
McGraw-Hill, 1993
Buku Teks
Fraenkel, Jack R., 1932-2014
How to design and evaluate research in education
McGraw-Hill, 2012
Buku Teks