首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   18924篇
  免费   220篇
管理学   2284篇
民族学   102篇
人才学   6篇
人口学   1748篇
丛书文集   106篇
教育普及   2篇
理论方法论   1696篇
现状及发展   1篇
综合类   236篇
社会学   9234篇
统计学   3729篇
  2023年   118篇
  2022年   79篇
  2021年   104篇
  2020年   327篇
  2019年   521篇
  2018年   473篇
  2017年   654篇
  2016年   472篇
  2015年   358篇
  2014年   435篇
  2013年   3146篇
  2012年   655篇
  2011年   576篇
  2010年   462篇
  2009年   429篇
  2008年   491篇
  2007年   497篇
  2006年   461篇
  2005年   418篇
  2004年   412篇
  2003年   387篇
  2002年   386篇
  2001年   465篇
  2000年   382篇
  1999年   377篇
  1998年   312篇
  1997年   279篇
  1996年   287篇
  1995年   272篇
  1994年   258篇
  1993年   248篇
  1992年   291篇
  1991年   289篇
  1990年   258篇
  1989年   259篇
  1988年   244篇
  1987年   227篇
  1986年   218篇
  1985年   246篇
  1984年   234篇
  1983年   233篇
  1982年   177篇
  1981年   155篇
  1980年   170篇
  1979年   170篇
  1978年   141篇
  1977年   140篇
  1976年   122篇
  1975年   115篇
  1974年   97篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
981.
This study finds that the real union-nonunion wage differential has declined only slightly since 1985, a period of falling unionism. The study also finds that, in contrast to earlier research, local (geographic) union density positively affects union and nonunion wages. This paper has benefited from discussions with Bill Even and Barry Hirsch. The research support of the School of Business Administration Research Committee is greatly appreciated.  相似文献   
982.
Through the theoretical lens of attachment theory, the relationship between substance abusing parents and their children exposed prenatally to drugs is explored. Attachment theory, the quality of attachment, attachment classifications, internal working models of attachment, and correlates of attachment classifications are discussed. Case studies of two schoolaged children exposed prenatally to cocaine are presented and interpreted in light of attachment theory set within a social-ecological perspective. Implications for practice and the use of federal policy for this population are explored.  相似文献   
983.
This paper examines the mediating mechanism of the relationship between institutional voids (IVs) and inter‐firm cooperation and the moderating role of economic adversity in the context of small and medium‐sized enterprises (SMEs) based in emerging markets. The hypotheses are tested using time‐lagged survey data from 214 SMEs in Ghana. The findings provide support for the hypotheses by showing that: (1) IVs positively influence the use of government research and development (R&D) support; (2) the use of government R&D support mediates the relationship between IVs and inter‐firm cooperation; and (3) economic adversity positively moderates the relationship between IVs and the use of government R&D support. The findings contribute to understanding the role of IVs in inter‐firm cooperation. The wider implications for theory and practice are examined.  相似文献   
984.
985.
986.
In two experiments, refusal rates to telephone interviews werenot affected by substantial changes in the introductory remarksof the interviewer. A prior letter significantly lowered refusalrates in a third experiment. In all three, interviewer sex hadno effect.  相似文献   
987.
988.
989.
Model building in physical, statistical, simulation or other form, is making an increasing contribution to the problem solving methodology in economics, industry, government, and technological development (1). More specifically, in the present context, simulation models can offer a distinctive and valuable contribution to the understanding by management of complex business systems, interactions and environment and indicate ways toward improvement, financial and otherwise (2). The advent of powerful computers in the last few years is the decisive factor which has decided the means of realizing the full potential of simulation models, hitherto unattainable because of the vast amount of data processing and calculation required. The purpose of this article is to indicate the approach to and scope of a computerized simulation model for long term production strategy decision making (3). While the model relates to the system and data of a specific production unit, manufacturing electronic components, the principles are widely applicable in any size and type of company. It is not a specifically large company technique.  相似文献   
990.
New Products are the life blood of a growing company, but traditional methods of introducing new products are no longer adequate. Du Pont is using a new approach called Venture Management. A New Venture Development provides an ideal environment for making and carrying out decisions involved in introducing new technological developments. It combines the advantages in mobility and communications enjoyed by a small venture-orientated company with the strong technical and financial advantages of a large company.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号