enseignement (2) Teaching (2) Teachers (2) Mathematics (2) Mathematics (2) puits (1) spectacle (1) besoin (1) plomb (1) effet (1) ordre (1) abords (agglomération) (1) Causes (1) Claims (1) Control (1) Area (1) Observations (1) Observations (1) Case studies (1) Cases (1) Area (1) Career development (1) Work (1) Teachers--Training of (1) Schools (1) Public schools (1) Progress (1) Problem solving (1) Probabilities (1) Poor (1)