Gunawan, Moch. Hoerul, et al. “THE PSYCHOLOGY OF CONTENTMENT: Said Nursi’s Al-lama‘at As A Framework for Sufi Behavioral Economics”. Wahana Islamika Jurnal Studi Keislaman, vol. 12, no. 1, Jan. 2026, pp. 38-50, https://doi.org/10.61136/k1fjwe14.