por Guilford, Joy Paul, 1897-1987 [autor] | Pereira, Carlos [Rev.] | Castaño, Jesus Maria [traductor] | Fruchter, Benjamin [autor] | Guilford, Joy Paul, 1897-1987. Fundamental stutistics in psychology and education.
por Lipschutz, Seymour [autor] | Castaño, Jesus Maria [traductor] | Robledo Moncada, Emilio [traductor].