Marfil-Carmona R, Hergueta Covacho E, Villalonga Gómez C. The Relational Factor as a strategic element in marketing communications. analisi [Internet]. 2015 Jun. 15 [cited 2025 May 21];(52):33-46. Available from: https://analisi.cat/article/view/n52-marfil-hergueta-villalonga