فهرس المقالات Sedighe tootian المقاله 1 - Explaining Brand Loyalty in B2B Models in Comparison with B2C Seyed Javad Mohammadi Abolghasem Ebrahimi Shahrzad Tayaran Sedighe Tootian Journal of System Management , العدد 42 , السنة 11 , بهار 2025