Khamim and Lu'lu'atus Saniyya Fadhila 2026. Sanad as an Epistemology of Hadith Validation: The Perceptions of Upper Secondary School Teachers in Kediri City. UNIVERSUM: Jurnal Keislaman dan Kebudayaan. 20, 1 (Jun. 2026), 40–57. DOI:https://doi.org/10.30762/universum.v20i1.3824.