Market study regarding the demand for ethanol derived from potatoes as a raw material for the production of goods in pharmaceutical, disinfection, liquor and cosmetic activities in the city of Tulcán. RVE [Internet]. 2024 Dec. 24 [cited 2026 Sep. 18];(14):51-66. Available from: https://revistasdigitalesupeceduec35.biteca.online/index.php/visionempresarial/article/view/1320