TY - BOOK TI - The mental toughness handbook : a step-by-step guide to facing life's challenges, managing negnitive emotions, and overcoming adversity with courage and poise! AU - Zahariades, Damon, author SN - 9798636821618 PB - Art of Productivity PP - [California?] : Art of Productivity, c2020. PY - 2020 UR - https://library.korea.ac.kr/detail/?cid=CAT000046077159&ctype=m