González MR, Barroso YP. Strategy to implement e-commerce in the travel agency Havanatur Tour & Travel destination Havana. CCD [Internet]. 2019Jul.5 [cited 2024May18];2(3):6-22. Available from: https://cienciadigital.org/revistacienciadigital2/index.php/ConcienciaDigital/article/view/839