Items where Author is "Haezer Josua Tio Marpaung, ."
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Haezer Josua Tio Marpaung, . (2025) OPTIMIZING THE SUPERVISORY ROLE OF THE CONSUMER DISPUTE SETTLEMENT AGENCY IN E-COMMERCE TRANSACTIONS CONCERNING CONSUMER LOSSES. Journal of Mathematics Instruction, Social Research and Opinion, 4 (4). pp. 1405-1420. ISSN 2962-7842