TY - DATA AU - Johnston, William R. ; Kaufman, Julia H. ; Thompson, Lindsey E. TI - Support for Instructional Leadership: Supervision, Mentoring, and Professional Development for U.S. School Leaders: Findings from the American School Leader Panel PY - 2016/// PB - RAND Corporation KW - EducationEDUCATION / Administration / School Superintendents & Principals;EDUCATION / Educational Policy & Reform / General;EDUCATION / Organizations & Institutions UR - https://www.jstor.org/stable/10.7249/j.ctt1d41d7b ER -