ACHMAD, SAIFUDIN Konsep Tawhid dan Ilhad dalam ajaran Wahdat Al-Wujud Shams al-Din al-Sumatrani (Telaah terhadap kitab Risalah al-Tibyan Mulahazat al-Muwahhid wa al Mulhid fi Dhikir Allah). Undergraduate (S1) thesis, STAIN Ponorogo.