Ecology of Freshwaters: a view for the twenty-first century, Fourth Edition

Intervention Ecology: Applying Ecological Science in the Twenty-first Century

The Eight Managerial Competencies: Essential Competencies for Twenty First Century Managers

The objective of the present study was to identify managerial competencies. This study reviewed existing managerial competencies in a cultural context resulting in the development of a broad based psychometrically sound leadership questionnaire. The unit of analysis of the research was a theoretical and experimental research related to managerial competencies, provided from seventeen Iranian an...

librarian of the twenty first century

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Twenty-first century vaccines.

In the twentieth century, vaccination has been possibly the greatest revolution in health. Together with hygiene and antibiotics, vaccination led to the elimination of many childhood infectious diseases and contributed to the increase in disability-free life expectancy that in Western societies rose from 50 to 78-85 years (Crimmins, E. M. & Finch, C. E. 2006 Proc. Natl Acad. Sci. USA 103, 498-5...

Twenty-First Century Assurance

Every aspect of the accounting profession is being pervasively affected by advances in information technology (IT). IT shifts power from producers (such as accountants and auditors) to consumers (such as investors, creditors, and other information users). Present and potential users of accounting and auditing services have increasing needs for relevant, reliable, and timely information, and IT ...