Unattended reception a business opportunity? - Vesa Kamarainen; Mikko Punakivi (Int. J. Serv. Technol. Manag., 2004)

Improving economic efficiency of operating rooms: production planning approach. - Antti Peltokorpi; Paulus Torkki; Vesa Kamarainen; Markku Hynynen (Int. J. Serv. Stand., 2009)