Kosasih, A. ., Hardhienata, S. ., & Herfina, H. (2026). The Influence of Digital Leadership and Data Literacy on Managerial Effectiveness Through Work Motivation: A Study of Private Vocational School Principals in Jakarta. International Research of Multidisciplinary Analysis, 4(5), 510–520. https://doi.org/10.57254/irma.v4i5.90