@incollection{gremy_formulation_2003, address = {Londres}, edition = {Sage}, title = {La formulation des questions d'enquête : réponse médiane et sans avis}, volume = {I}, booktitle = {The {European} {Tradition} in {Qualitative} {Research}}, author = {Grémy, Jean-Paul}, year = {2003}, pages = {217--235}, }