Quality of WordPress Plug-Ins: An Overview of Security and User Ratings. - Teemu Koskinen; Petri Ihantola; Ville Karavirta (SocialCom/PASSAT, 2012)

Service-Oriented Approach to Improve Interoperability of E-Learning Systems. - Ville Karavirta; Petri Ihantola; Teemu Koskinen (ICALT, 2013)