(3h jSbW GdYeQ Yf OQGLI (B: (3eSQMjI aj KdGKjf MdbI (B/ s - (3GdQjMGfj, Cejf CdHQJs ((3HjQhJ (B:s (3OGQ GdLjd,s, 1987)
Keywords: (3GdCOH GdYQHjs; (3GdeSQMjGJ GdYQHjIs; (3dHfGfs