Syed Abdullah, Syed Syahrul Zarizi. “The Influence of Distributed Leadership on Professional Learning Community Among Secondary School Leaders in The State of Johore Pengaruh Kepimpinan Distributif Terhadap Komuniti Pembelajaran Profesional Dalam Kalangan Pemimpin Sekolah Menengah Di Negeri Johor”. Sains Humanika, vol. 12, no. 2-2, Aug. 2020, doi:10.11113/sh.v12n2-2.1780.