Guacho DF, Menéndez AM, Naranjo EF. Digital marketing plan proposal for promoting Umbral in Ecuador. J. Adv. Educ. Sci. Humanit. [Internet]. 2025 Jul. 31 [cited 2025 Aug. 26];3(2):16-2. Available from: https://journal.publiseditorial.com/index.php/jaesh/article/view/111