00535nam a22001811 4500 1/17541 010709s1970 enk f eng 18064 DLC GR-PeUP 658.1 CO R 658.1 CO Computer concepts instructor's guide / James C. Budd Chicago: SRA, 1970 92 p.; ill.; 21 cm. Include index Computer science. Budd, James C, ed. INST UNIPILB MAIN 20040709 658.1 CO 00136517 00136517 LOAN 0 1