Martínez, Y., Rodríguez, R., Pupo, G. E., Rosabal, O., Colmo, C. and Valdivié, M. (2020) “Phytobiotic effect of Psidium guajava leaf powder on productivity and quality of the egg of laying hens”, Cuban Journal of Agricultural Science, 54(4). Available at: https://cjascience.com/index.php/CJAS/article/view/989 (Accessed: 21 November 2024).