Sulaiman, Muhammad, Novritsar Hasitongan Pakpahan, and Arif Rachman Putra. “Analysis of the Validity and Effectiveness of Electronic Contracts in Legal Protection of Digital Transactions in Indonesia”. Journal of Social Science Studies 3, no. 1 (January 2, 2023): 41–46. Accessed January 28, 2026. https://jos3journals.id/index.php/jos3/article/view/209.