Iván Pimienta Concepción, et al. “Neutrosophic Scale to Measure Psychopathic Personalities Based on Triple Refined Indeterminate Neutrosophic Sets”. Neutrosophic Sets and Systems, vol. 37, Nov. 2020, pp. 61-70, https://fs.unm.edu/nss8/index.php/111/article/view/4079.