Camoiras-Rodríguez, , Zaira, and Concepción Varela-Neira,. 2020. “An Empirical Analysis of Factors Influencing Electronic Word of Mouth in Social Networking Sites After a Brand Promotion”. Revista Galega De Economía 29 (1), 1-18. https://doi.org/10.15304/rge.29.1.6123.