"This book explores how the private sector has long been expected to mobilize finance into much needed infrastructure investment in developing countries. This insightful book is a detailed exploration of the World Bank's initial promotion of public-private partnerships (PPPs) as a solution, and...

The objective of this paper is to present a new e-learning method that use databases. The solution could pe implemented for any typeof e-learning system in any domain. The article will purpose a solution to improve the learning process for virtual classess.