Viana, R. O., Magalhães-Guedes, K. T., Braga, R. A., Dias, D. R., & Schwan, R. F. (2017). Fermentation process for production of apple-based kefir vinegar: Microbiological, chemical and sensory analysis. Braz J Microbiol.

Viana, Roberta Oliveira, Karina Teixeira Magalhães-Guedes, Roberto Alves Braga, Disney Ribeiro Dias, و Rosane Freitas Schwan. "Fermentation Process for Production of Apple-based Kefir Vinegar: Microbiological, Chemical and Sensory Analysis." Braz J Microbiol 2017.

Viana, Roberta Oliveira, et al. "Fermentation Process for Production of Apple-based Kefir Vinegar: Microbiological, Chemical and Sensory Analysis." Braz J Microbiol 2017.