【2015新书】Mastering QGIS

谢谢分享

谢谢分享~~~

看一看，学习一下

This looks great!

好书，好书好书

Go beyond the basics and unleash the full power of QGIS with practical, step-by-step examples
About This Book

    Learn how to meet all your GIS needs with the leading open source GIS
    Master QGIS by learning about database integration, geoprocessing tools, Python scripts, advanced cartography, and custom plugins
    Create sophisticated analyses and maps with illustrated step-by-step examples

thank you

thank you

The use of volatility measures in assessing market efficiency,