J. S. Siregar, B. Megawati, N. Nursalimah, and R. Ruwaidah, “Islamic Value-Based Transformational Leadership, Digital Transformation, and Quality Culture in Pesantren-Based Madrasah Aliyah”, J.Gen.Educ.Humanit., vol. 5, no. 4, pp. 4505–4516, Jul. 2026.