AL-MUMTAZA, Ainul Millah Al-Mumtaza; RUSTAMAJI, Muhammad. Consumer Legal Protection On The Implementation Of E-Commerce Using Instagram With A Pre-Order System During The Covid-19 Pandemic. International Journal of Environmental, Sustainability, and Social Science, [S. l.], v. 3, n. 1, p. 59–64, 2022. DOI: 10.38142/ijesss.v3i1.158. Disponível em: https://staging.journalkeberlanjutan.com/index.php/ijesss/article/view/158. Acesso em: 6 jun. 2026.