Moloodi, R. ., Pourshahbaz, A. ., Mohammadkhani, P. ., Fata, L. ., & Ghaderi, A. . (2021). Two-factor higher-order model of perfectionism in Iranian general and clinical samples. BMC Psychology, 9(1), 30. https://doi.org/10.1186/s40359-021-00529-2 (Original work published 2021)