Ismail, Lutfiah Azzahra, et al. “Development of a Spiritual Quantum Smile-Based Group Guidance Model to Improve Students’ Psychological Well-Being”. Jurnal IPTEK Bagi Masyarakat, vol. 6, no. 1, July 2026, pp. 249-57, doi:10.55537/j-ibm.v6i1.1779.