K. Musa and N. Ngie Seng, “Hubungan Kepimpinan Guru dengan Pencapaian Akademik Pelajar di Sibu, Sarawak: Relationship between Teacher Leadership with Students’ Academic Achievement in Primary Schools, Sibu, Sarawak”, MRJ, vol. 6, pp. 176–190, Oct. 2017, doi: 10.37134/mrj.vol6.15.2017.