فهرس المقالات Guerrilla Advertising حرية الوصول المقاله صفحة الملخص نص كامل 1 - Identification and clustering internal stimuli on the effectiveness of advertisement by using Delphi method and perceptron neural network (Case study on sports retailers) Tara Taefi Vahid Reza Mirabi Ghasem Ali Bazaee Soheil Sarmad saeidi