Barna, George. The habits of highly effective churches : being strategic in your God-given ministry / George Barna. - Ventura, Calif. : Regal Books, c1999. - 194 p. ; 23 cm. Includes bibliographical references (p. [189]-191. ISBN: 0830718559 (hc) 0830718605 (trade) LCCN: 99049020 Subjects--Topical Terms: Christian leadership. LC Class. No.: BV652.1 / .B259H Dewey Class. No.: 253 / B259H