(3cJGH JgPjH GUdGM GdefWb (B/ s - (3GdJHQjRi (B, (3GHhRcQjG jMji Hf Yds; (3ahRi YHO GdYRjR eSYhO(B((3JMbjb(B)s ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1987)
Keywords: (3GdfMhs; (3GdGdaGXs; (3GddZI GdYQHjIs; (3GdfWbs; (3GdeJQGOaGJ hGdGVOGOs