TY  - BOOK
AU  - Campbell,Donald Thomas
AU  - Stanley,Julian C.
TI  - Experimental and quasi-experimental designs for research
SN  - 0395307872
PY  - 1963///
CY  - Boston
PB  - Houghton Mifflin
KW  - Experimental design
N1  - Available at Bintulu Branch; "Originally appeared in N.L. Gage (editor), Handbook of research on teaching"
ER  -