Musa, A.F. and Khaidir, P.H. 2023. The Philosophical Sufism of Harun Nasution: A Phenomenological-Historical Investigation of The Influence of Neo-Mu’tazilism . Intellectual Discourse. 31, 2 (Dec. 2023). DOI:https://doi.org/10.31436/id.v31i2.2054.