As%20you%20might%20know%2C%20three%20schools%20of%20the%20Genre Based%20Approach%20in%20ELT%20exist.%20However%2C%20experts%20and%20researchers%20wonder%20which%20GBA%20is%20the%20most%20appropriate%20for%20the%20EFL%20context.%20Further%2C%20does%20GBA%20focus%20on%20improving%20writing%20proficiency%20only%2C%20or%20does%20this%20approach%20improve%20the%20overall%20Communicative%20competence