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Herianto Sinaga, David, & I Wayan Wiryawan.
" KEABSAHAN KONTRAK ELEKTRONIK (E-CONTRACT) DALAM PERJANJIAN BISNIS." <em>Kertha Semaya : Journal Ilmu Hukum</em> [Online], 8.9 (2020): 1385-1395. Web.  3 Sep. 2026