Ariadi Subagyono, Bambang Sugeng. “PENYELESAIAN SENGKETA KONSUMEN MELALUI GUGATAN KELOMPOK”. Yuridika 25, no. 2 (May 27, 2010): 117–127. Accessed August 2, 2024. https://e-journal.unair.ac.id/YDK/article/view/251.