Purwaningsih, Ratna, Ade Aisyah Arifna Putri, Melati Syahrani Ryandy, Ary Arvianto, Chaterine Alvina Prima Hapsari, and Rifki Daris Dzulfikar. 2026. “Assessing Readiness Index Toward Industry 4.0 of SMEs Leather Industry in Yogyakarta’s”. MIX: JURNAL ILMIAH MANAJEMEN 16 (1). Jakarta, Indonesia:255-73. https://doi.org/10.22441/jurnal_mix.2026.v16i1.016.