Characterization and application of films based on gelatin-carboxymethylcellulose for the preservation of guava fruit. Superficies y Vacio [Internet]. 2012 Mar. 15 [cited 2025 May 4];25(1):1-7. Available from: https://superficiesyvacio.smctsm.org.mx/index.php/SyV/article/view/220