Amin, A. M. “Relational Capital in the Shadow Economy: A Qualitative Ethnographic Inquiry into Informal Financial Practices Among Small Business Owners in Makassar, Indonesia”. International Journal of Humanity Advance, Business & Sciences (IJHABS), vol. 3, no. 4, May 2026, pp. 577-86, doi:10.59971/ijhabs.v3i4.805.