Siljanovska, Zorica, и Krume Djikoski. «THE ACTUAL STATE IN THE REGULATION OF THE NATIONAL NATURAL GAS MARKET». Proceedings of the International Scientific Conference "Social Changes in the Global World" 1, no. 7 (декабрь 27, 2020): 413-427. просмотрено июль 22, 2024. https://js.ugd.edu.mk/index.php/scgw/article/view/4058.