(3eONd Gdi bdH GdQLd(B: (3cja Jedcjf bdH RhLc hdG JNQLjf efg GdG Gdi GdbHQ (B/ s - (3YHOGdefYe bfOjds ([S.N] : (3ecJHI GdJQGK GdGSdGei , s, 1991)
Keywords: (3GdGSQIs; (3GdRhGLs; (3GdMHs