. . "microcomputers." . . "Commodore 64." . . "computerprogramma's." . . "Programmering." . . "Commodore." . . "Dilithium Software." . . . . . . . . . . . . . . . . . . . . . "Software" . . . . . "16 basisprogramma's voor de Commodore 64" . . . "More than thirty-two BASIC programs for the Commodore 64 computer" . . "More than 32 BASIC programs for the Commodore 64 computer" . "BASIC (beginner's all-purpose symbolic instruction code)" . .