Nola Rahma Alhamda and Anita Sumelvia Dewi, “ Product Innovation and Halal Lifestyle Identity: An Ethnographic Study of the Sharia Marketing Strategy of Swarnabhumi Batik Ecoprint MSMEs in the ISEF Event”, al. kharaj. j. islam. econ. bus., vol. 8, no. 1, Mar. 2026.