Miranti, Ririt Rachma, et al. “The Impact of Extroversion and Introversion Personality Types on EFL Learners’ Preferences in Publishing Research Papers”. Jurnal Studi Guru Dan Pembelajaran, vol. 3, no. 3, Dec. 2020, pp. 361-9, https://www.e-journal.my.id/jsgp/article/view/260.