Irianti, Lastria, et al. “Optimizing Elementary School Teacher Performance: Integration of Instructional Leadership and Collegial Supervision in an Integrated Supervision Model ”. JDMP (Jurnal Dinamika Manajemen Pendidikan), vol. 10, no. 2, May 2026, pp. 169-78, doi:10.26740/jdmp.v10n2.p169-178.