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by Walvoord, Barbara E.; Banta, Trudy W.
by Walvoord, Barbara E.
by Stevens, Dannelle D.; Levi, Antonia J.; Walvoord, Barbara E.
by Walvoord, Barbara E.; Anderson, Virginia Johnson
by Barbara E. Walvoord; Virginia Johnson Anderson; Foreword by: Thomas A. Angelo (Univ. of Akron)
by Barbara E. Walvoord (Notre Dame, Indiana); Virginia Johnson Anderson