(3efXeI GdGbWGQ GdYQHjI GdeUOQI ddHJQhd (B1977-1968 (3OQGSI ebGQfI ai GdJfXje GdOhdis ([S.N] : (3eLdI OQGSGJ GdNdjL hGdLRjQI GdYQHjI , s, 1983)