R. bin Din, “The Practice Level Amongst Middle Leaders Teachers of School to Increase Quality of Teachers and Achievements of Students Refer to Standard Quality Education of Malaysia Wave 2: Pengamalan Pemimpin Pertengahan Bagi Meningkatkan Kualiti Guru dan Pencapaian Murid Merujuk Standard Kualiti Pendidikan Malaysia gelombang 2”, MRJ, vol. 10, pp. 106–118, Oct. 2021.