(3GdQSGFd ai eUQ GdGSdGejI (B/ s - (3GMeO Gejf eUWais ([S.N] : (3eWHYI GdSYGOI , s, 1990)
Keywords: (3GdGOH GdYQHis; (3GdQSGFd GdYQHjIs; (3GdJGQjN GdGSdGeis; (3GdMVGQI GdGSdGejIs