Purba, J.S. et al. 2026. Juridical Analysis of Intermediary Criminal Acts in Ecstasy Transactions: A Study of Dumai District Court Decision Number 188/Pid.Sus/2025/PN Dum. SIGn Jurnal Hukum. 7, 2 (Mar. 2026), 1389–1402. DOI:https://doi.org/10.37276/sjh.v7i2.663.