Azizah, Sheila Nur, Megawati Simanjuntak, and Istiqlaliyah Muflikhati. “CONSUMER COMPLAINT BEHAVIOUR IN INDONESIA: ROLE OF KNOWLEDGE AND SELF-CONFIDENCE ”. Jurnal Ilmu Keluarga & Konsumen 15, no. 1 (February 9, 2022): 90-101. Accessed August 9, 2022. https://jagb.journal.ipb.ac.id/index.php/jikk/article/view/35477.