@article{article69c8d135,
title   = {Vignettes: a data collection technique to handle the differential operation of items in surveys},
author = {Silva, Antonio Sergio da and Silva, Wilerson Lucas Campos and Gouvêa, Maria Aparecida and Farina, Milton Carlos},
year = {2019},
doi = {10.15728/bbr2019.16.1.2},
journal   = {Brazilian Business Review - BBR}
}