Chamariyah, C., Ach. Ali Yafie, and R. Rusdiyanto. “The Effect of Transformational Leadership on Personnel Performance Through Work Spirit As an Intervening Variable (Study on Sampang Police Resort)”. Jurnal Multidisiplin Sahombu, vol. 5, no. 5, July 2025, pp. 1119-32, https://ejournal.seaninstitute.or.id/index.php/JMS/article/view/7067.