Mastering the micro : using the microcomputer in the elementary classroom / Dorothy H. Judd, Robert C. Judd. Judd, Dorothy H. Judd, Robert C. jt. aut. Computer-assisted instruction United States. Computer-assisted instruction Computer programs. Education, Elementary United States Data processing. LB1028.5 .J83 1984 372.139445 19 JUM Includes index. Bibliography: p. 138-147. Glenview, Ill. : Scott, Foresman, c1984. c1984. 1984 Text viii, 152 p. : eng A Good year book United States. United States