@inproceedings{sgem2007paper, title = {PLANNING A TOURISM INFORMATION SYSTEM BY CPM-PERT METHOD AND SAMPLING FOR MUNICIPALITIES}, author = {O. Esen and I. B. Gundogdu and O. S. Kirtiloglu}, booktitle = {7th International Scientific Conference - SGEM2007}, year = {2007}, pages = {}, publisher = {SGEM Scientific GeoConference}, doi = {} }