$1'`D';D!4$!M"(B5$1'2$';a!Ess - Maxwell, John; $1'b['3k!Bd'`,'JE !0|!0-'2As ($1!4I!0a!<D (B: s $1!]>!87!3K!JH!Na(B,s, 2012)
Translation of : Five levels of leadership.
Keywords: Leadership