1. The indexing of scholarly open access business journals;Ball;Electronic Journal of Academic and Special Librarianship,2009
2. ‘Predatory’ open-access scholarly publishers;Beall;The Charleston Advisor,2010
3. Update: Predatory open-access scholarly publishers;Beall;The Charleston Advisor,2010
4. Internet scientific publications;Beall;The Charleston Advisor,2011
5. Predatory publishers are corrupting open access;Beall;Nature,2012