List of Articles تئوری سیگنال Open Access Article Abstract Page Full-Text 1 - Co- brand Strategy, based on customers' attitude in Lap top, Cell phone and automobile products اسماعیل شاه طهماسبی khabat nesaei Open Access Article Abstract Page Full-Text 2 - Co- brand Strategy, Based on Customers' Attitude in Laptop, Cell phone and Automobile Products E. Shahtahmasbi Kh. Nesaei