Vista normal
Vista MARC
Campbell, Donald Thomas, 1916-(Personas)
Experimental and quasi-experimental designs for generalized causal inference , 2001 t.p. (William R. Shedish, Thomas D. Cook, Donald T. Campbell)
Experimental and quasi-experimental designs for generalized causal inference , 2001 t.p. (William R. Shedish, Thomas D. Cook, Donald T. Campbell)