Zuhri, F., M. F. . Rizqi, B. . Komarullah, and F. . Alghofari. “Akbar Djohan Leadership: Strategy and Values in Presenting the Krakatau International Port”. Indonesian Journal of Advanced Research, vol. 2, no. 5, May 2023, pp. 325-34, doi:10.55927/ijar.v2i5.4013.