Doi, 'Abdur Rahman I. The Cardinal Principles of Islam / 'Abdur Rahman I. Doi - Second Edition - Kuala Lumpur : A.S. Noordeen, 1992. - vii, 225 pages. ; 21 cm. Includes bibliographical references ISBN: 9679963586 (pbk.) Subjects--Topical Terms: Faith (Islam) LC Class. No.: BP166.14.M3