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Jerry L. Wyckoff Ph.D.

Jerry L. Wyckoff Ph.D.

Jerry L. Wyckoff Ph.D.

Jerry L. Wyckoff, PhD is a licensed psychologist who has worked with children and families for over forty years.

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Discipline without Shouting or Spanking will be released on May 01, 2002 in
May 01, 2002
Discipline without Shouting or Spanking is now available in
May 01, 2002