Silicka, Inese, and Velta Ļubkina. “Theoretical Aspects of the Building Professional Competences of the Hospitality Industry Specialists”. SOCIETY. INTEGRATION. EDUCATION. Proceedings of the International Scientific Conference 1 (May 16, 2015): 378–385. Accessed April 6, 2025. https://journals.ru.lv/index.php/SIE/article/view/300.