1.
Badriah L, Sitorus REP, Afriyanto G, Indah IP, Yusdiyani E, Pratiwi DP, et al. Strategi Peningkatan Daya Saing Usaha Donat melalui Kualitas Produk, Promosi Digital, dan Penetapan Harga. green [Internet]. 2026 May 18 [cited 2026 Oct. 8];4(2):533 – 538. Available from: https://idngreen.com/index.php/green/article/view/272