Tracy, Brian Kiss That Frog: 12 Great Ways to Turn Negatives into Positives in Your Life and Work / Brian Tracy and Christina Tracy Stein. - California: Berrett-Koehler Publishers, 2012. - 104p. ; PB ISBN: 978-93-5029-160-3 Subjects--Topical Terms: Self-help — Positive thinking Dewey Class. No.: 158.1 / TRA