(3MQH GdSjO HhT (B:s (3eZGeQGJ ai SjGSGJ Gdhge (B/ s - (3ZQhHGQO, SJjafs; (3ZQhHGQO SJjafs; (3NGdO GjhHs; (3YHOGdQMje GdfOGs ([S.N] : (3GdGgdjI ddfTQ hGdJhRjY , s, 1992)
Keywords: (3GdchjJs; (3GdYQGbs; (3GdTQb GdGhSWs; (3MQH GdNdjLs