@INPROCEEDINGS {BuildingenvironmentalinformationsystemusingopensourceprograminVinhPhucprovince2013, author = "Son, Hoang Trung and Nghia, Nguyen Le and Van, Pham Thanh and Manh, Vu Van", title = "Building environmental information system using open source program in VinhPhuc province", booktitle = "Shaker Verlag", year = 2013, editor = "Bernd Page, Andreas G. Fleischer, Johannes Göbel, Volker Wohlgemuth ", pages = "631-637", publisher = "Shaker Verlag", note = "ISBN 978-3-8440-1676-5" }