校长教学领导力研究：a theoretical and empirical analysis in China a theoretical and empirical analysis in China based on theoretical and empirical analysis in China theoretical and empirical analysis for China a theoretical and empirical analysis 科技金融：theoretical and empirical analysis：理论与实证分析 theoretical and empirical analysis 国际贸易与经济结构调整：基于中国的理论和实证：based on theoretical and empirical analysis in China a theoretical and empirical study 中国企业资本结构：理论与实证分析：theoretical and empirical analysis