Client controlled security for web applications. - Marko Hassinen; Petteri Mussalo (LCN, 2005)

Types of Data Clarify Senses of Data Processing Purpose in Health Care. - Petteri Mussalo; Ulla Gain; Virpi Hotti (EFMI-STC, 2018)

Voices of Authorities and Shareholders Affect Voices of Processes. - Petteri Mussalo; Virpi Hotti; Hanna Mussalo (WIS, 2018)