RÍOS HERNÁNDEZ, A. A comparative analysis among tractors and animal traction in agriculture: efficiency and costs. Revista Ciencias Técnicas Agropecuarias, [S. l.], v. 35, p. https://cu-id.com/2177/v35e25, 2026. Disponível em: https://revistas.unah.edu.cu/index.php/rcta/article/view/2294. Acesso em: 12 nov. 2026.