Improvement of Antioxidant Activity and Quality of Coffee Milk using Rosa sp. Petal PowderRokhmatul Asiyah, Elfi Anis Saati, Hafizhah Layyina, Hanif Alamudin Manshur, Afifa Husna, Desiana Nuriza Putri, Asad Jan and Muhammad Mashuri UtamaBIO Web Conf., 104 (2024) 00034DOI: https://doi.org/10.1051/bioconf/202410400034