Fartladze, Nino, and Ekaterine Maruashvili. “ვარიანტულობის ტიპოლოგია”. Georgian Academy of Business Sciences "Moambe", no. 51 (March 12, 2024). Accessed February 4, 2026. https://journals.4science.ge/index.php/moambe/article/view/2690.