کتاب های Thomas Plummer
Anyone Can Sell: Creating Revenue Through Sales in the Fitness Business
Thomas Plummer, 2007
Living Your Dream: Opening a Financially Successful Fitness Business
Thomas Plummer, 2011
Making Money in the Fitness Business
Thomas Plummer, 1999
Where Did That Member Go? Rediscovering the Lost Art of Member Service
Thomas Plummer, 2010
