Diyah Dewanti, B. S. . (2024) “Peningkatan Kualitas Produk Di Umkm Teh Bunga Rosella Guna Mendukung Daya Saing Minuman Khas Lereng Wilis Kediri: Improving Product Quality at the Rosella Flower Tea Umkm to Support the Competitiveness of the Typical Beverage of Slope Wilis Kediri”, NaCosVi : Polije Proceedings Series, 6(1), hlm. 397–402. Tersedia pada: https://proceedings.polije.ac.id/index.php/ppm/article/view/639 (Diakses: 2 November 2025).