na NADAR-06090000016152 20090604094627.0 170309||||||||| | ||| |||| ||ind|| 0-395-30787-2 JBUNIPB 0010-060900000016152 519.242 519.242 CAM e Campbell, Donald T Experimental and quazi-experimental designs for research Donald T. Campbell and Julian C. Stanley Boston Houghton Mifflin 1963 ix, 84 hlm il 23 cm Mathematics Mathematical statistics Experimental design Stanley, Julian C P 11-26-1990 2 10918382