Dispenser prototype for sales optimization in different sectors. Revista de Ciencias Tecnológicas, [S. l.], v. 7, n. 3, p. e358, 2024. DOI: 10.37636/recit.v7n3e358. Disponível em: https://recit.uabc.mx/index.php/revista/article/view/358. Acesso em: 14 feb. 2026.