Enriquez Estrella, Miguel Angel. “Physical, Chemical, and Microbiological Evaluation of a Preserved Black Cabuya Flower (Agave Americana) With Different Levels of Acetic Acid in the Covering Liquid”. Revista Tecnológica - ESPOL 33, no. 1 (June 30, 2021): 8. Accessed November 19, 2025. https://rte.espol.edu.ec/index.php/tecnologica/article/view/779.