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Description
Sixty years later and half a world away
Elanna is accused of his murder - and must flee for her life
no vuelve a trabajar
Alejandro Corchs y Alejandro Spangenberg
Diseños experimentales y cuasiexperimentales en la investigación social MEMORIAS Sixty years later and halfEstado del Libro: Bueno Nmero de Pginas: 158 Ao de Publicacin: 1978,TAPA BLANDA, LIBRO USADO, RECUERDA QUE UN % DE ESTA VENTA COLABORA CON FUNDACIONES QUE FOMENTAN LA LECTURA EN ZONAS VULNERABLES. Texto clsico sobre metodologa de investigacin en ciencias sociales. Los autores presentan los principales modelos de diseo experimental y cuasiexperimental, explicando cmo evaluar relaciones causales y controlar variables en estudios sociales. Es una obra
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