Sheikhiani, Hasan , MahdaviNejad, Mohammad Hossein , Khademi, Mahdi , Salari Rad, Masoume . “Ontological foundations of the meaning  of life from the point of view of Viktor Frankl and William James.” Theological – Doctrinal Research (Islamic Azad University-Saveh Branch), vol. 15, no. 2, 2025, pp. 179-201.