(1)
Harianto, D.; Sitanggang, A. T.; Ritonga, N. S.; Sianipar, R.; Siahaan, P. G.; Angin, R. B. B. P. Protection Geographical Indication of Cimpa Tuang Food: Measuring Cultural and Economic Value in Sukalaju Village. edumaspul 2023, 7, 3428-3434.