Journal of Business Forecasting Methods & Systems. Graceway Publishing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJournal of Business Forecasting Methods & Systems. Graceway Publishing Company.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJournal of Business Forecasting Methods & Systems. Graceway Publishing Company.
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