Castillo Cárdenas, Edison Marcelo, Victor David Bravo Morocho, Edison Patricio Abarca Pérez, Edgar Fabián Sánchez Carrión, y Paúl Alejandro Montúfar Paz. «Design and Manufacture of Protective Elements to Prevent Accidents in the Agricultural Machinery of Ecuador, Two Cases of Study in Automotive Elements.». Ciencia Digital 2, no. 3 (julio 1, 2018): 187-202. Accedido mayo 5, 2024. https://cienciadigital.org/revistacienciadigital2/index.php/CienciaDigital/article/view/146.