Zahra, A. and Nasution, J. (2023) “The Effectiveness of Gadget Protection Implementation in Purchasing Gadgets at Shopee Indonesia E-Commerce”, Jurnal MANDIRI: Ilmu Pengetahuan, Seni, dan Teknologi, 7(1), pp. 22 - 33. doi: 10.33753/mandiri.v7i1.230.