Welch, Jack (1935-2020). The real life MBA : the no-nonsense guide to winning the game, building a team and growing your career / Jack Welch, Suzy Welch. - Londyn : The HarperCollins, 2018. - XII, 242 s. ; 23 cm. Indeks. ISBN: 9780008313678 Subjects--Topical Terms: Sukces w biznesie--poradniki.