TY  - BOOK
AU  - Campbell,Donald Thomas
AU  - Stanley, C. Julian
TI  - Experimental and quasi-experimental designs for research
SN  - 0395307872
PY  - 1963///
CY  - Boston
PB  - Houghton Mifflin Co.
KW  - Research design
KW  - Experimental design
N1  - Handbook of research on teaching / N.L. Gage. éditeur, par Rand McNally & Company en 1963
ER  -