Atha'bin Khalil. Ushul fiqih : kajian ushul fiqih mudah dan praktis / Taisir al-wushul ila al-ushul. Atha' bin Khalil. - 2nd ed. - Bogor : Pustaka Thariqul Izzah, 2008. - xiv, 414 p. ; 24 cm. ISBN: 9799478170 (pbk.) Subjects--Topical Terms: Islamic law --Introductions. LC Class. No.: KBP144 A843