Melani, M., G. U. Saefurrohman, and A. R. Setyanto. “Islamic Economic Value: Social Capital of Coffee Farmers for Household Welfare in Bukit Kemuning District, North Lampung Regency”. Primanomics : Jurnal Ekonomi & Bisnis, vol. 24, no. 2, May 2026, pp. 250-6, doi:10.31253/pe.v24i2.4635.