ii Social Role Transitions CONTENTS LIST OF TABLES........................................................................................................................ vJohn E Schulenberg,Patrick M O Malley,Jerald G Bachman,Lloyd D Johnston,Virginia B Laetzmag(2012)引用 23|浏览7暂无评分AI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要