Conference of the ISA Research Committee 52, Sociology of Professional Groups «Change in Professions and Professionalism – Signs and Directions» Oslo, Norway, June 8-10, 2017 Participants from Institute of Sociology RAS V.A. Mansurov «The changing Nature of proffessional work and proffessional knowledge: a case study of Canadian nurses and engineers» O.V. Yurchenko «The changing natureof primary school teachers of professional knowledge»