por Curtin, Dennis P, 1941- [autor] | Kourchenko Barrena, Sergio [traductor] | Curtin, Dennis P, 1941-. Dbase iv.
por Curtin, Dennis P, 1941- [autor] | Kourchenko Barrena, Sergio [traductor] | Curtin, Dennis P, 1941-. Dbase iv a short course.