On the governmental duty in social security system in China
zhou li; bai jiang-hua (1.department of politics and law; qingdao university of science and technology; qingdao 266061; china; 2.general office of qingdao people s government; qingdao 266071; china)
The analysis of exterior affective factors on human resource supply of enterprise
wang yu-mei~1; yuan ji-yang~2 (1.college of economy and management; qingdao university of science and technology; qingdao 266061; china; 2.automation and electron engineering college; qingdan univerity of science and technology; qingdao 266042)
Comparative study between Shanghai and Tianjin on the industrial agglomeration economy effect
gao xue-lian~1; jin xiang-yu~2; zong jia-feng~3 (1.institute of urban and regional economy; nankai university; tianjin 300071; china; 2. urban and regional economy research center; nankai university; tianjin 300071; china; 3.economy research institute; xiamen university; xiamen 361005; china)