TY  - BOOK
AU  - Campbell,Donald Thomas
AU  - Stanley,Julian C.
AU  - Gage,Nathaniel Less
TI  - Experimental and quasi-experimental designs for research
SN  - 0395307872
PY  - 1963///
CY  - Boston
PB  - Houghton Mifflin
KW  - Experimental design
KW  - Local
KW  - Science
KW  - Research Design
N1  - "Reprinted from Handbook of research on teaching."; Includes bibliographies and indexes
ER  -