(3gd gfGc Ybd YQHi(B: (3bQGAI fbOjI deTQhY eMeO YGHO GdLGHQi (B/ s - (3gTGe ZUjHs ([S.N] : (3GdeDSSI GdYQHjI ddOQGSGJ hGdfTQ , s, 1993)
Keywords: (3GdadSaIs; (3GdadSaI GdYQHjIs; (3GdadSaI GdMOjKIs; (3fbOs