Duane Bibly (Bibly, Duane)

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  Elementary Algebra: Math
  by Jill Osofsky, Ann Roper, Duane Bibly
  Softcover, School Specialty Pub, ISBN 074240238X (0-7424-0238-X)
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  Elementary Algebra: Math Grades 2-3
  by Jill Osofsky, Duane Bibly
  Softcover, School Specialty Pub, ISBN 0742402371 (0-7424-0237-1)
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  Elementary Algebra: Math, Grades K-1
  by Jill Osofsky, Duane Bibly
  Softcover, School Specialty Pub, ISBN 0742402363 (0-7424-0236-3)