Howitt, Dennis
First steps in research and statistics: a practical workbook for psychology students
Routledge , 2000
Buku Teks SO
Winston, Robert
The human body: the incredible journey from birth to death: first steps
BBC Worldwide Limited, 2004
Multimedia
Howitt, Dennis
First steps in research and statistics: a practical workbook for psychology students
Routledge, 2000
Buku Teks SO
Walker, Peter
In the steps of Jesus
Kanisius, 2010
Buku Referensi
Ziglar, Zig
Steps to the top
Heinemann Asia, 1995
Buku Teks SO