an introduction to concepts and issues Weeks, John R creator text xx Boston Wadsworth 9999 7th monographic und xxiv, 674p. Population introduces the basic concepts of population studies and helps to develop own demographic perspective, enabling to understand some of the most important issues confronting the world. The book sharpen the perception of population growth and chang John R Weeks Population 304.6 W395P 0-534-55305-2 98-39201 NITIL 190327