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			Foundations of program evaluation : theories of practice William R. Shadish , Thomas D. Cook , Laura C. Leviton by Shadish, William R Cook, Thomas D Leviton, Laura C Material type: Text Language: English Publication details: Sage ; Newbury Park, Calif. ; 1991; 1991 Availability: Items available for loan: المكتبة الرئيسية (1)Location, call number: الطابق الثالث أ H62.S433 1991. Place hold Add to cart (remove)
			Experimental and Quasi-Experimental Designs for Generalized Causal Inference William R. Shedish, Thomas D. Cook, Donald T. Campbell\n by Shadish, William R Cook, Thomas D Campbell, Donalad T Material type: Text Language: English Publication details: Houghton Mifflin Company ; Boston ; 2001; 2001? Availability: Items available for loan: المكتبة / مبنى سعيد خوري لدراسات التنمية (1)Location, call number: BD591.S48 2001. Place hold Add to cart (remove)

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