\begin{abstract}
	The purpose of this document is to instruct authors on preparation of manuscripts for publication in the Brazilian Journal of Scientific Studies.  Authors are requested to use these guidelines from the initial draft to the final version of their work. Only manuscripts that fully comply with these guidelines will be accept for publication. Additional information on procedures and guidelines can obtained directly via email: rebecbrasil@gmail.com. The author may submit two (2) files: - the manuscript without the author identification (mandatory) and a cover letter (optional) outlining the main contributions. This text was written according to the guidelines presented here for articles submitted in Portuguese or in English.
\end{abstract}

\begin{keywords}
	Authors should provide a set of up to five keywords (in alphabetical order, with all initial letters capitalized and separated by commas) that identify the main topics covered. 
\end{keywords}