“EVALUATION OF TWO LEVELS OF UREA ON A SALT-MINERAL MIXTURE AD LIBITUM OF PROTEIN FOR STEERS”. (2002) Ciencia Agropecuaria, (12), pp. 177–189. Available at: https://idiap.desarrollo-ojs1.metadatos.org/index.php/ciencia-agropecuaria/article/view/346 (Accessed: 9 October 2026).