If a long-standing customer stops doing business with you and becomes dissatisfied with your services, this is known in marketing and sales literature as a phenomenon called […]

    من المتفق عليه ان التسويق من المجالات المتجدده والتي كل يوم يظهر فيه مفهوم جديد او نظريه جديده لذلك تجد المسوقين يبقون انفسهم دائما […]