Authors: Anabtawi, R, Al-Amoudi, M., Hammad, B. E. and AmroISSN: 0975-833X Journal Name: International Journal of Current Research Volume: 9Issue: 8Pages From: 56451To: 56454Date: الخميس, أغسطس 3, 2017External Link: https://www.researchgate.net/publication/313883262_The_Effectiveness_of_Posit...