The institute of national planning, Elrayes, a., & Nosseir, a. (2010). Using pepa to model the unemployment problem. The institute of national planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe institute of national planning, amani Elrayes, और ann Nosseir. Using Pepa to Model the Unemployment Problem. cairo: The institute of national planning, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe institute of national planning, et al. Using Pepa to Model the Unemployment Problem. The institute of national planning, 2010.
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