“Information and Communication Technologies (ICT) As Marketing Strategies, and Their Contribution to the Competitiveness of the Hotel-Tourist Sector in Estelí, Nicaragua, During the First Semester of 2016”. 2016. Revista Científica Estelí, no. 19 (November): 79-96. https://revistas.unan.edu.ni/index.php/Cientifica/article/view/2902.