por Hopkins, Kenneth D [autor] | Hopkins, B. R, 1932- [autor] | Glass, Gene V, 1940- [autor] | Cruz Quintana, Ricardo [traductor].
por Glass, Gene V, 1940- [autor] | Stanley, Julian C [autor] | Galves Gómez, Elsa [traductor] | Guzmán, Eugenia [traductor] | Glass, Gene V, 1940-. Statistical methods in education and psychology.
por Glass, Gene V, 1940- [autor] | Glass, Gene V, 1940-. Statistical methods in educational and psychology | Stanley, Julian C [autor] | Galvis Gomez, Elsa [traductor] | Guzman, Eugenia [traductor].