Mykkänen, Juha, and Mika Tuomainen. “Balancing Between Local Requirements, Interoperability Standards, and SOA Principles ‐ Case EBooking of Health Services”. Finnish Journal of eHealth and eWelfare 4, no. 1 (June 25, 2012): 10–19. Accessed May 6, 2024. https://journal.fi/finjehew/article/view/6532.