(3GddZI ai GdGOH GdMOjK(B: (3GdMOGKI hGdJLQjH (B/ s - (3LGchH chQcs; (3djhf jhSas; (3YRjR YeGfhjd (B((3eJQLe(B)s ([S.N] : (3OGQ GdeGehf ddJQLeI hGdfTQ , s, 1989)
Keywords: (3GdGOH GdGfLdjRis; (3GdGOH GdGeQjcis; (3JGQjN hfbOs