Rosas-Martínez, Verónica, and Noé Aguilar-Rivera. “Composting for the Reduction of Bird Droppings (Gallus Gallus Domesticus)”. Agronomía Mesoamericana 33, no. 1 (December 9, 2021): 44815. Accessed May 5, 2024. https://www.revistas.ucr.ac.cr/index.php/agromeso/article/view/44815.