Source: https://www.researchgate.net/profile/Oystein_Moen/publication/286151778_The_Internet_and_international_marketing_An_empirical_analysis_of_small_and_medium_sized_Norwegian_firms/links/5730a81e08ae08415e6a77a0/The-Internet-and-international-marketing-An-empirical-analysis-of-small-and-medium-sized-Norwegian-firms.pdf