Mellard, Charles W. Introduction to business programming using Pascal : a structured problem-solving approach / Charles W. Mellard, Jr. - Columbus : Merrill Pub. Co., c1987. - xiv, 400 p. : ill. ; 24 cm. Includes index. ISBN: 0675205476 (pbk.) LCCN: 86061444 LC Class. No.: HF5548.5.P14 M45 1987 / M45 1987 Dewey Class. No.: 005.13/3