This sourcebook contains fourteen parts. The first two parts give principal concepts and methods for benefiting from the book. The third part deals with ecosystems. It discusses environmental balance and man's role in the environment. The fourth part deals with sources of wealth in the environment. The next three parts cover soil, desert and…

The new Arabic Proficiency Test for College Level is designed to serve the field of Arabic instruction in a number of ways. First, it will provide data on students' proficiency in Arabic. Second, it will aid in evaluating Arabic programs in American and Canadian higher institutions. Third, the results obtained from the users of the test will form…

This guide to language courses in polytechics and similar institutions in England is designed to help the student plan his language course in higher education. A suggested way of using the information in the guide is to plan the course with the aid of a flow-chart and then to find out from the index which polytechnics and colleges are offering…