This definition appears somewhat frequently
See other definitions of BAJ
Samples in periodicals archive:
RFE/RL's Belarus Service, Charter 97 News & Opinion, Naviny Belarus, Belarusian Review, BelaPAN News, RFE/RL's (weekly) Belarus & Ukraine Report, Belarusian Association of Journalists, European Radio for Belarus, Praŭda - Independent Belarusian News, (and more.
06. 10. 2015 Statement of BAJ Denouncing Hacker Attack on Belapan Websites Belarusian Association of Journalists.