TY - CPAPER AU - O. Esen AU - I. B. Gundogdu AU - O. S. Kirtiloglu TI - PLANNING A TOURISM INFORMATION SYSTEM BY CPM-PERT METHOD AND SAMPLING FOR MUNICIPALITIES T2 - 7th International Scientific Conference - SGEM2007 PY - 2007 PB - SGEM Scientific GeoConference ER -