Journals in Beall's list perform as a group less well than other open access journals indexed in Scopus but reveal large differences among publishers

Predatory publishing in Scopus: evidence on cross-country differences

(2021) Vít Macháček et al.   SCIENTOMETRICS

Do journals flipping to gold open access show an OA citation or publication advantage?

(2020) Nuria Bautista-Puig et al.   SCIENTOMETRICS

Citations of Articles in Predatory Nursing Journals

(2019) Marilyn H. Oermann et al.   NURSING OUTLOOK

Perspectives From Authors and Editors in the Biomedical Disciplines on Predatory Journals: Survey Study

(2019) Andrew J Cohen et al.   JOURNAL OF MEDICAL INTERNET RESEARCH

Predatory journals: no definition, no defence

(2019) Agnes Grudniewicz et al.   NATURE

Economists behaving badly: publications in predatory journals

(2018) Frederick H. Wallace et al.   SCIENTOMETRICS

Are predatory journals undermining the credibility of science? A bibliometric analysis of citers

(2017) Tove Faber Frandsen   SCIENTOMETRICS

Fake Journals: Not Always Valid Ways to Distinguish Them

(2014) Khaled Moustafa   SCIENCE AND ENGINEERING ETHICS

Who publishes in “predatory” journals?

(2014) Jingfeng Xia et al.   Journal of the Association for Information Science and Technology