(1987). Keeping students in school: A guide to effective dropout prevention programs and services / Margaret Terry Orr ; foreword by Harold Howe II.
Chicago-čujuhus (17. p.)Keeping Students in School: A Guide to Effective Dropout Prevention Programs and Services / Margaret Terry Orr ; Foreword by Harold Howe II. 1987.
MLA-čujuhus (9. p.)Keeping Students in School: A Guide to Effective Dropout Prevention Programs and Services / Margaret Terry Orr ; Foreword by Harold Howe II. 1987.
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