(3GdUMhI GdGSdGejI ai ejRGf GdYbd (B/ s - (3aDGO RcQjGs ([S.N] : 2000 (3ddKbGaI hGdfTQ , s, 1989)
Keywords: (3GdGSdGes; (3GdGSdGe hGdGUdGM GdGLJeGYis; (3GdJGQjN GdGSdGeis; (3GdGSdGe hGdGUdGM GdOjfis; (3GdGSdGe hGdGUdGM GdSjGSis