por Campbell, Mary V [autor] | Lloris Ruiz, Antonio [traductor] | Campbell, Mary V. 1.2.3. the pocket reference.
por Campbell, Mary V [autor] | Ruz Ortiz, José Jaime [traductor] | Bautista Paloma, Alfredo [traductor] | Sanchez Perez, Juan Manual [traductor] | Campbell, Mary V. Teach yourself dbase iv.