An empirical study on Shanghai energy environmental accounting 并列题名：An empirical study on Shanghai energy environmental accounting an empirical study on the central asian countries Theoretical and empirical study on relation of physical and environmental reproduction an empirical study of Tiandeng County, Guangxi an empirical study on chinese english majors an empirical study of three sample courts an emperical study on Chinese listed companies an empirical study of American opinion about China an empirical study on layoff and remployment