Bohl, M. (1978). Tools for structured design. Science Research associates.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBohl, Marilyn. Tools for Structured Design. Chicago: Science Research associates, 1978.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBohl, Marilyn. Tools for Structured Design. Science Research associates, 1978.
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