Gunawan, Syahrul, and Budiman Muhammad Nur. “ Understanding Hadiths on Trustworthiness and Fulfilling Promises in the Kutub Al-Tis’ah”. Al-Fikru: Jurnal Ilmiah, vol. 20, no. 1, June 2026, pp. 178-91, doi:10.51672/alfikru.v20i1.1026.