Caballero, M. C. S., C. H. A. Muñiz, V. C. Leal, G. G. Aguilar, C. G. S. Hernández, and G. D. A. Quezada. “Enrichment of Sliced Apple Fruit With Bacillus Coagulans”. Emirates Journal of Food and Agriculture, vol. 33, no. 1, Jan. 2021, pp. 12-19, doi:10.9755/ejfa.2021.v33.i1.2353.