<strong>Проф. д-р Александър Николов</strong> <em>Софийски университет „Св. Климент Охридски“</em> <a href="https://doi.org/10.53656/his2023-1-7-cha" target="_blank" rel="noopener noreferrer">https://doi.org/10.53656/his2023-1-7-cha</a> <span style="color: #ff0000;"><a style="color: #ff0000;" href="https://azbuki.bg/wp-content/uploads/2023/02/History_1_23_Aleksander-Nikolov.pdf" target="_blank" rel="noopener noreferrer">Отвори пълния текст</a></span>