Wiersbe, Warren W, Ten power principles for Christian service : ministry dynamics for a new century / [print] Warren W. and David W. Wiersbe. - Grand Rapids, Michigan : Baker Books, (c)1997. - 140 pages ; 22 cm. LCCN: 97006648 Subjects--Topical Terms: Pastoral theology.Clergy--Office. LC Class. No.: BV4011.W648.T467 1997