Rana Khairiyah Nasution et al. 2026. Characteristics and Market Opportunities of Block Ice Factories at Batulicin Fishing Port Tanah Bumbu District. International Journal of Science and Environment (IJSE). 6, 2 (Jun. 2026), 1311–1316. DOI:https://doi.org/10.51601/ijse.v6i2.599.