AL-MUMTAZA, A.M.A.-M. and RUSTAMAJI, M. 2022. 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. 3, 1 (Mar. 2022), 59–64. DOI:https://doi.org/10.38142/ijesss.v3i1.158.