“PREPARATION OF A JAM BASED ON BEET (Beta vulgaris) AND CHERRY (Prunus avium) FREE OF CHEMICAL PRESERVATIVES, UNDER LABORATORY CONDITIONS”. (2024) Journal of Science and Research: Revista Ciencia e Investigación, 9(CININGEC-). Available at: https://revistas.utb.edu.ec/index.php/sr/article/view/3386 (Accessed: 22 September 2026).