Great topic to get your neurones up and running, there is a great journal paper, a recent one tackling your topic, by M Dabić · 2020 · Cited by 149 ( Small Bus Econ (2020) 55:705–725), it draws some interesting findings and propels researchers to new directions with regard to: Subject, theory and methodology as stated in the research study, I am sure you will enjoy reading it; and the myriad of benefits that can be extracted, all the best.
Kind regards,
Sofiane
Pathways of SME internationalization: a bibliometric and systematic review Marina Dabić & Jane Maley & Leo-Paul Dana & Ivan Novak & Massimiliano M. Pellegrini & Andrea Caputo: