Maxwell, John C. The 21 Irrefutable Laws of Leadership. (21 Hukum Kepemimpinan Sejati.) - Batam: Interaksara, 2001. - 385p. 18 cm. Subjects--Topical Terms: KEPEMIMPINAN--HUKUMHUKUM KEPEMIMPINAN LC Class. No.: HM116 / .M465 2001