Home › Authors › Keith Harrow 👤 Keith Harrow 4 books Books by Keith Harrow Problem solving using IBM PC P Problem solving using IBM PC Pascal 1986 PL-1 and PL-C Workbook PL-1 and PL-C Workbook 1984 Problem solving using PL/1 and Problem solving using PL/1 and PL/C 1984 Problem solving using PL/I and Problem solving using PL/I and PL/C 1984