TY  - JOUR 
T1  - Frequency Modulation System and speech perception in the classroom: a
               systematic literature review
JO  - CoDAS
A1  - Bertachini, Ana Lívia Libardi
A1  - Pupo, Altair Cadrobbi
A1  - Morettin, Marina
A1  - Martinez, Maria Angelina Nardi
A1  - Bevilacqua, Maria Cecília
A1  - Moret, Adriane Lima Mortari
A1  - Balen, Sheila Andreoli
A1  - Jacob, Regina Tangerino de Souza
SN  - 2317-1782
UL  - 10.1590/2317-1782/20152014103
VL  - 27 
Y1  - 2015
PB  - Brasil 
ER  -