Soeliongan, Amanda Eugenia. “Legal Opinion : Peracunan Eks Spionase Rusia”. Jurnal Hukum Lex Generalis 1, no. 1 (April 1, 2020): 13–24. Diakses Juni 1, 2026. https://ojs.rewangrencang.com/index.php/JHLG/article/view/187.