Trialogical learning supported by Knowledge Practices Environment. - Sami Paavola; Merja Bauters; Christoph Richter; Crina Damsa; Klas Karlgren; Eini Saarivesi; Seppo Toikka; Minna Lakkala; Hanni Muukkonen; Liisa Ilomäki (CSCL, 2011)