K. M. GOH, “A Content Validity Study of the Middle Leader Digital Leadership Instrument in Malaysia Primary Schools: Kesahan Kandungan Instrumen Kepimpinan Digital Pemimpin Pertengahan di Sekolah Rendah Malaysia”., MRJ, vol. 15, no. 1, pp. 76–87, Jun. 2026, doi: 10.37134/mrj.vol15.1.7.2026.