(3cJGH GdJLdjGJ (B: (3GdSaQGdKGdK (B/ s - (3LeGd GdZjWGfis ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1986)
Keywords: (3GdGOH GdYQHis; (3GdbUU GdYQHjIs; (3eUQs; (3GdbUU GdYQHjI GdeJQLeIs