McClure, Rhyder
Fast access lotus 1-2-3 release 3
Brady, 1989
Buku Teks SO
McClure, Rhyder
Fast access lotus 1-2-3 release 2.2
Brady, 1990
Buku Teks SO
Baras, Edward M.
The symphony book
Osborne McGraw-Hill , 1985
Buku Teks SO
Symphony: how-to manual
Lotus, 1984
Buku Teks SO
Brand, Kolman W., 1933-
Problem solving with pascal
Kent Publishing, 1986
Buku Teks SO