Shadish, William R.
Experimental and quasi-experimental designs for generalized causal inference / William R. Shedish, Thomas D. Cook, Donald T. Campbell. - Boston : Houghton Mifflin, [2001?] - xxi, 623 p. : ill ; 23 cm.
0395615569
2001131551
Causation--Experiments.
122/.07/2
Experimental and quasi-experimental designs for generalized causal inference / William R. Shedish, Thomas D. Cook, Donald T. Campbell. - Boston : Houghton Mifflin, [2001?] - xxi, 623 p. : ill ; 23 cm.
0395615569
2001131551
Causation--Experiments.
122/.07/2