Putri AE, Br Girsang AT, Br Barus E, Kusmarini K, Sari MY, Rifki A. An Analysis of Product Differentiation Strategies to Improve the Competitiveness of Culinary MSMEs: A Case Study of Ayam Geprek and Penyet Memei 2. TOFEDU [Internet]. 2026 May 17 [cited 2026 May 18];5(2):2168-75. Available from: https://journal.tofedu.or.id/index.php/journal/article/view/1817