Lotus 1-2-3 from A to Z. - Williams, Andrew T. 1943- (Manila National Book Store, 1985)
A reprint of the same ed. published by Wiley, New York.
Reprinted under authority of Presidential Decree N. 285 as amended by P.D. Nos. 400 and 1203.
Keywords: Lotus 1-2-3 (Computer program).