Afshari Pour, Abolfazl, Haidari Nori, reza, Haidari Nori, reza, fahimi, reza. “The study of Attar's deterministic thought based on Unity of acts (tawhid al-af'al (and Nearness to God via supererogatory worships (Qurb al-Nawafil).” Theological – Doctrinal Research (Islamic Azad University-Saveh Branch), vol. 12, no. 2, 2022, pp. 29-50.