Principles of environmental economics and sustainability : an integrated economic and ecological approach / Ahmed Hussen. Hussen, Ahmed M., Environmental economics. Ecology. Environmental policy. HC79.E5 H875 2018 333.7 HUP 23 Revised edition of the author's Principles of environmental economics and sustainability, 2012. Includes bibliographical references and index. 2019 Text xxiv, 415 p. : eng