The institute of national planning, Elrayes, a., & Nosseir, a. (2010). Using pepa to model the unemployment problem. The institute of national planning.
Dyfyniad Arddull ChicagoThe institute of national planning, amani Elrayes, and ann Nosseir. Using Pepa to Model the Unemployment Problem. cairo: The institute of national planning, 2010.
Dyfyniad MLAThe institute of national planning, et al. Using Pepa to Model the Unemployment Problem. The institute of national planning, 2010.