Handbook of research on mathematics teaching and learning
edited by Douglas A. Grouws
Macmillan Library Reference, 1992
 Buku Referensi
Deming, M. Elen
Landscape architecture research: inquiry, strategy, Design
John Wiley & Sons, 2011
 Buku Teks
Healey, Joseph F., 1945-
The essentials of statistics a tool for social research
Cengage Learning, 2016
 Buku Teks SO
Handbook of research on teaching literacy through the communicative and visual arts
edited by James Flood, Shirley Brice Heath, and Diane Lapp
MacMillan Library Reference USA, 1996
 Buku Referensi
Wallace, Michael J.
Action research for language teachers
Cambridge University Press, 2004
 Buku Teks