GOH, KOK MING. “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”. Management Research Journal, vol. 15, no. 1, June 2026, pp. 76-87, https://doi.org/10.37134/mrj.vol15.1.7.2026.