Beram, S. (2021) “Application of the Fuzzy Delphi Method to Organisational Leadership Competencies for Educational Middle Leaders: Aplikasi Fuzzy Delphi Method Terhadap Kompetensi Kepimpinan Organisasi Bagi Pemimpin Pertengahan Pendidikan”, Management Research Journal, 10, pp. 82–93. doi:10.37134/mrj.vol10.sp.7.2021.