“ANALYSIS OF THE IMPACT OF SOCIAL MEDIA MARKETING, SERVICE QUALITY, AND SALES ACTIVITIES ON THE INCREASE IN SALES OF PROBLEMATIC FINANCING GUARANTEES (DEFAULT) THROUGH AUCTION: CASE STUDY AT ABC ISLAMIC BANK” (2024) TRANSEKONOMIKA: AKUNTANSI, BISNIS DAN KEUANGAN, 4(6), pp. 1135–1146. doi:10.55047/transekonomika.v4i6.768.