References
^ Ken BlanchardWhale Done! : The Power of Positive Relationships by Thad Lacinak, Ken Blanchard, Chuck Tompkins and Jim Ballard (2002, Hardcover) ISBN 9780743235389 (revised Apr 2021)^ Kenneth Blanchard; Thad Lacinak; Chuck Tompkins; Jim Ballard (2015). Whale Done! : The Power of Positive Relationships, Free Press. BiggerBooks. ISBN 9780743235389 (revised Oct 2023)
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