Wardianto, D. et al. 2026. Analisis Komparatif Persepsi Harga Es Teh Jumbo dan Kopi Starling Mahasiswa Semarang. RIGGS: Journal of Artificial Intelligence and Digital Business. 5, 2 (Jul. 2026), 19995–20006. DOI:https://doi.org/10.31004/riggs.v5i2.10620.