(3ebOeI aj JMdjd GdGfMOGQ GdNWj(B:s (3dWdHI GdUa GdKGdK GMUGA(B/s - (3GehQj gGOj cGXes; (3GdOdjej, eMeO efGLO YjaGfs ((3dehUd(B[(3GdYQGb(B]:s (3eOjQjI OGQ GdcJH ddWHGYIhGdfTQ,s, 1988)
(3WdHI GdUa GdKGdK GMUGA cdjI GdGOGQI hGdGbJUGO LGeYI HZOGO(B.s
Keywords: (3GdJMdjd GdYOOjs