00756nam a2200241Ia 4500 OSt 20241028115339.0 210716s1979 xx 000 0 und d 0395307902 AIMIT LIBRARY eng 519.5 1 COOT Cook, Thomas D. 183473 Quasi-experimentation : By Thomas D Cook and Donald T Campbell. 1st ed. Boston : Houghton mifflin Company , 1979. xii,405p. ; PB 23.6 cm Validity 183474 Inferring cause from passive observation 183475 The conduct of randomized experiments 183476 Campbell, Donald T. 183477 ddc BK 1st 519.5 COOT 201718 201718 0 0 ddc 0 0 MBA AIMIT AIMIT 2007-02-01 Bill no:; Bill dt:1900-01-00 0 519.5 COOT MBA04284 2026-05-23 00:00:00 2021-07-16 BK