F. R. Purlianasari and S. B. Purwaningsih, “Analysis of the Validity and Legal Consequences of Transfering Shophouse Lease Rights Without the Original: Analisis Keabsahan dan Akibat Hukum Pengalihan Hak Sewa Ruko tanpa Persetujuan Pemilik”, ijler, vol. 21, no. 1, p. 10.21070/ijler.v21i1.1665, Sep. 2026.