Elshafei, W., & Abd Elrazek, A. (1968). On Estimating Lot Size for A Variable Lifetime Stock Items. The Institute of National Planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रElshafei, W.A.M, और A.H Abd Elrazek. On Estimating Lot Size for A Variable Lifetime Stock Items. Cairo: The Institute of National Planning, 1968.
एमएलए (9वां संस्करण) प्रशस्ति पत्रElshafei, W.A.M, और A.H Abd Elrazek. On Estimating Lot Size for A Variable Lifetime Stock Items. The Institute of National Planning, 1968.
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