Philippakis, A. S

The New cobol : an illustrated guide by: Kazmier, Leonard J; Philippakis, A. S (書目-語言資料,印刷品)

Advanced cobol by: Philippakis, A. S; Kazmier, Leonard J (書目-語言資料,印刷品)

Program design concepts : with applications in cobol by: Philippakis, A. S; Kazmier, Leonard J (書目-語言資料,印刷品)