Yevtushenko, Natalia, and Andriy Fedorchenko. “Competitive Advantages in the Market of Consulting Services: Marketing Aspect”. Business: Theory and Practice 24, no. 2 (October 31, 2023): 501–511. Accessed July 6, 2024. https://jeelm.vgtu.lt/index.php/BTP/article/view/15291.