“Kepimpinan Guru Besar dalam Pelaksanaan Pendidikan Abad Ke-21: Satu Kajian Preliminari: Headmasters’ Leadership in the Implementation of 21st Century Education: A Preliminary Study” (2019) ATTARBAWIY: Malaysian Online Journal of Education, 3(2), pp. 11–21. doi:10.53840/attarbawiy.v3i2.30.