Families in Troubled TimesRand D. Conger, Glen H. Elder, Frederick O. Lorenz,Ronald L. Simons, Les B. Whitbecksemanticscholar(2020)引用 6|浏览6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