1. Martin J. Does Caffeine ingestion prior to high intensity exercise act as an ergogenic aid in sporting performance in male athletes? : Cardiff Metropolitan University; 2015.
2. Caffeine Use in Sports: Considerations for the Athlete
3. Wolde T. Effects of caffeine on health and nutrition: A Review. Food Science and Quality Management. 2014;30:59-65.
4. Poroch-Serițan M, Michitiuc CB, Jarcău M. Studies and research on caffeine content of various products. BRAIN Broad Research in Artificial Intelligence and Neuroscience. 2018;9(1):29-35.
5. Bulancea M. Autentificarea, expertizarea si identificarea falsificarilor produselor alimentare: Academica; 2002.