Description
Item Description:Contains graphs, maps, tables
This WorldCat-derived record is shareable under Open Data Commons ODC-BY, with attribution to OCLC
Physical Description:241 pages : illustrations ; 23 cm
241 pages : illustrations, maps ; 23 cm
241 páginas : cuadros, gráficas, mapas ; 23 cm
Bibliography:Bibliography at the end of each chapter
Includes bibliographical references
ISBN:6074019924
9786074019926