(3gRjeI GdYUGHI (B- (3bUI Yf GdCeQGV GdSJI GdaJGcI hahGFO GdJWYje hGdJMUjf aj eMGQHJgGs - (3ehZjSG(B. (3ajhdjjJs ((3hQTI GdehGQO GdYQHjIs (3fjbhSjGs, 1991)
Keywords: (3bUU (B- (3CWaGd s; (3GLH GdCWaGd (B- (3bUU s