(3aj Yde GdScGfs = DEMOGRAPHIE - (3YHO GdcQje GdjGaj s (3CSJGP HLGeYI OeTb (B_ (3hYVh GdGJMGO GdYGdej dOQGSI GdScGf s ((3OeTb (B:s (3LGeYI OeTb (B,s, 1959)
. 240-220 (3HHdjhLQGajG(B: (3UaMGJ(B.s
Keywords: (3Ydhe GLJeGYjIs; (3JfejI ScGfjIs