@article{article2682cc1b,
title   = {Circumstantial indications emitted by the teacher during discursive activity: an application in an experimental physics class},
author = {Laburú, Carlos Eduardo and Silva, Osmar Henrique Moura da and Barros, Marcelo Alves and Zompero, Andreia de Freitas},
year = {2017},
doi = {10.4236/ce.2017.88095},
journal   = {Creative Education}
}