Sánchez Alay MA. The bilateral agreement between Ecuador and Peru: an analysis from the perspective of commercial and tourism development in the period 2016-2020. Revista UG [Internet]. 2022 Jan. 4 [cited 2025 Mar. 14];134(1):34-46. Available from: https://revistas.ug.edu.ec/index.php/rug/article/view/146