Aloot, H. L. M. (1972). Flow charting: An aid to problem-solving in school mathematics.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAloot, Helen Lilia M. Flow Charting: An Aid to Problem-solving in School Mathematics. 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAloot, Helen Lilia M. Flow Charting: An Aid to Problem-solving in School Mathematics. 1972.
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