(3Gdfjd h GdeSJbHd (B: s (3QMdI aQjOI eYg JQUO eG LQi dg h defGHYg GdESJhGFjI h GdCKjhHjI (B/ s - (3YHO GdMj, YHO GdJhGHs ((3GdbGgQg (B:s (3eQcR GdCgQGe ddJQLeI h GdfTQ,s, 1988)
Keywords: (3fgQ Gdfjds; (3GdCfgGQs