Handbook in research and evaluation : a collection of principles, methods, and strategies useful in the planning, design, and evaluation of studies in education and the behavioral...

by Isaac, Stephen 1925-, Isaac, Stephen 1925-, Michael, William B.
Published 1981

Los 7 cuerpos desvelados : la verdadera constitución humana más allá de lo visible /

by Newhouse, Flower Arlene Sechler 1909-
Published 2002