1Philip Hallinger.A Review of Three Decades of Doctoral Studies Using the Principal Instructional Management Rating Scale: A Lens on Methodological Progress in Educational Leadership. Educational Administration Quarterly . 2011
2Hallinger P,Murphy J.Assessing the instructional management behavior of principals. The Elementary School Journal . 1985
3Spillane,J. P.,Hallett,T.,Diamond,J. B.Forms of capital and the construction of leadership: Instructional leadership in urban elementary schools. Sociology of Education . 2003