(3fXQjI aJQI GdQjHI aj GdEadGS (B/s - (3hLjg Lejd NGWQs ((3HjQhJ (B: s [(3O(B.(3f(B] (3, s, 1992)
Keywords: (3GdbGfhf GdJLGQjs; (3GdEadGSs