Crowley Broadcast Analysis
Crowley Broadcast Analysis is an official institution of research, which monitors the radios in Brazil since 1997. Currently the company provides data to the Escritório Central de Arrecadação e Distribuição (ECAD) and the Brazilian Association of Record Producers (ABPD) and besides being the standard for the Phonographic Industry in the country. In August 2009, also exclusively provides the charts for Billboard Brasil that is based on grid-base radios with 250 stations surveyed in 10 cities.
- "CBAB – Crowley Broadcast Analysis". Crowley.com.br. Retrieved 2010-06-30.
- "Billboard Brazil Launches Monthly Magazine With Local Charts". Billboard.biz. 2009-10-22. Retrieved 2010-06-30.
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