List of Articles S Khalifeh Article 1 - Evaluation of monitoring network density using discrete entropy theory سمیه خلیفه Journal of Water Science & Engineering , Issue 5 , Year , Autumn 2014 Article 2 - Regional Evaluation of Hydrometric Monitoring Stations through Using Entropy Theory سمیه خلیفه ابراهیم خلیفه Journal of Water Science & Engineering , Issue 5 , Year , Autumn 2012