el-hefny, a. (1964). forecasting for management of seasonal goods inventories. National Planning Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रel-hefny, amina. Forecasting for Management of Seasonal Goods Inventories. cairo: National Planning Institute, 1964.
एमएलए (9वां संस्करण) प्रशस्ति पत्रel-hefny, amina. Forecasting for Management of Seasonal Goods Inventories. National Planning Institute, 1964.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.