BADRIAH, Lailatul; SITORUS, Riana Efani Putri; AFRIYANTO, Genta; INDAH , Intan Permata; YUSDIYANI, Esy; PRATIWI, Dania Putri; RIFKI, Ahmad. Strategi Peningkatan Daya Saing Usaha Donat melalui Kualitas Produk, Promosi Digital, dan Penetapan Harga. Indo Green Journal , [S. l.], v. 4, n. 2, p. 533 – 538, 2026. DOI: 10.31004/green.v4i2.272. Disponível em: https://idngreen.com/index.php/green/article/view/272. Acesso em: 8 oct. 2026.