Hughes, Joan K.
PL/ I structured programming
John Wiley & Sons, 1979
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Brown, Gary D.
Advanced ANS cobol: with structured programming
John Wiley & Sons, 1977
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McCraken, Daniel D.
A Simplified guide to structured cobol programming
John Wiley & Sons, 1976
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Stern, Nancy B.
Structured COBOL programming
Wiley, 1994
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Miller, Lawrence H.
Advanced programming: design and structured using pascal
Addison-Wesley, 1986
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