23- Schuon, Fritjof (1994) Understanding Islam .
23- Schuon, Fritjof (1994) Understanding Islam . Indiana: World Wisdom Books, Inc. 24- Simuh. (1988). Mistik Islam Kejawen Raden Ngabehi Ranggawarsita, Suatu Studi Terhadap Serat Wirid Hidayat Jati . Jakarta: UI Press. 25- _____. (1997). Tasawuf dan Perkembangannya dalam Islam . Jakarta: Rajawali Press. 26- _____. (1999). Sufisme Jawa: Transformasi Tasawuf Islam ke Mistik Jawa . Yogyakarta: Bentang. 27- Sujarwanto, dkk. (1990). Muhammadiyah dan Tantangan Masa Depan. Yogyakarta: Tiara Wacana.
28- Surkati al-Anshari, Syekh Ahmad. (1988). Tiga Persoalan: Ijtihad dan Taqlid; Sunnah dan Bid’ah; Ziarah Kubur, Tawassul dan Syafaat Jakarta: al-Irsyad. 29- Tibi, Bassam. (2000). Ancaman Fundamentalisme: Rajutan Islam Politik dan Kekacauan Dunia Baru A.b. Imron Rosyidi dkk. Yogyakarta: Tiara Wacana. 30- Thoyibi, M. (2000). How Gus Dur Open My Eyes . Dalam Harry Bhaskara Understanding Gus Dur. Jakarta: The Jakarta Post.
Sufi has become major issue between both Islamic groups. At first Muhammadiyah refused sufi and then she accepted some dimensions of Sufi. [^4] It means Muhammadiyah assume that they follow the straight true of Islam by referring directly to Islamic sources of Koran and Haditst. [^5] Ijtihad is a religious interpretation of Islam in conjunction to the advancement of the worldly life.
Ijtihad should be conducted by capable Moslem thinker and it is difficult to classify them, especially when Islamic civilization reduced its influences. That is why the gate of ijtihad was closed in Sunni countries in where salaf movement took a place. The gate of ijtihad is never closed in Shiite sect such as in Iran. [^6] Muktamar is conference held regularly each five years. [^7] Tareqat is a kind of practical Sufi to divide with philosophical Sufi.
Actually Islam has developed some tareqat groups which consists of both practical and philosophical aspects of Sufi.…