The citation advantage of author-pays model: the case of Springer and Elsevier OA journals. - Hajar Sotudeh; Zahra Ghasempour; Maryam Yaghtin (Scientometrics, 2015)

The World's Approach toward Publishing in Springer and Elsevier's APC-Funded Open Access Journals. - Hajar Sotudeh; Zahra Ghasempour (Coll. Res. Libr., 2018)