por Koffman, Elliot B [autor] | Sanchez S., Abdon [traductor] | Libreros, Domitilo [traductor] | Friedman, Frank L, 1942- [autor] | Koffman, Elliot B. Problem solving and structured programming in Basic.
por Koffman, Elliot B [autor] | Sanchez S., Abdon [traductor] | Gonzalez, Norma Gisela [traductor].