ผู้เขียน: Francis Y. Owusu

PÁDRAIG R. CARMODY, Professor in Geography, Trinity College, Dublin, Ireland; Senior Research Associate, University of Johannesburg, South Africa. JAMES T. MURPHY, Professor and Director, Graduate School of Geography, Clark University, USA. RICHARD GRANT, Professor of Geography and Director of Urban Studies, University of Miami, Florida, USA. FRANCIS Y. OWUSU, Professor and Chair, Department of Community and Regional Planning, Iowa State University, USA.