Al-Haj, ABN Nasution Usul Kerohanian Islam / ABN Nasution Al-Haj - Kuala Lumpur : Imatera Publishers, 1992. - iv, 322 pages. ; 22 cm. Includes Arabic language. ISBN: 98399779903 (hbk.) Subjects--Topical Terms: Soul (Islam)God (Islam) -- Worship and loveFaith (Islam) LC Class. No.: BP166.73