Teixeira da Silva, Jaime A. “Jeffrey Beall’s ‘predatory’ Lists Must Not Be Used: They Are Biased, Flawed, Opaque and Inaccurate”. Bibliothecae.it 6, no. 1 (January 1, 2017): 425–436. Accessed April 28, 2024. https://bibliothecae.unibo.it/article/view/7044.