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by Hallinger,Philip
by Leithwood, Kenneth; Hallinger, Philip; Malloy, John
by Hallinger, Philip; Leithwood, Kenneth
by Hallinger, Philip
by Murphy, Joseph F.; Hallinger, Philip
by Murphy, Joseph; Hallinger, Philip
by Hallinger, Philip; Wang, Wen Chung
by Hallinger, Philip; Wang, Wen-chung; Chen, Chia-wen (CON); et al.
by Philip Hallinger; Wen-Chung Wang