S. A. Zalianti, I. K. R. S. M. Day, and D. Kurniawan, “Legal Protection for MSME Merchants Regarding Service Fee Transparency and Promotional Policies on Marketplaces Following the Enactment of Minister of Trade Regulation Number 19 of 2026 ”, Law hum., vol. 5, no. 01, pp. 83 – 93, Oct. 2026.