Widjajati, Erna. “Ganti Rugi Perbuatan Melawan Hukum Dalam Gugatan Perwakilan Kelompok Di Indonesia”. Jurnal Hukum IUS QUIA IUSTUM 18, no. 1 (June 13, 2016): 97–114. Accessed May 17, 2025. https://journal.uii.ac.id/IUSTUM/article/view/4000.