(3fXe hYGOGJ(B: (3eLehYI ebGdGJ (B/ s - (3eMehO SdGe RfGJis ([S.N] : (3dLfI GdGYdGe hGdOQGSGJ GdeSJbHdjI , s, 1993)
Keywords: (3GdYGOGJ hGdJbGdjOs; (3GdGSdGe hGdeLJeYs; (3GdRhGLs; (3GdYQH (B- (3GdYGOGJ hGdJbGdjOs