N I, Gorlovа, Troska Z A, Karpenko Ye. Z, Krutitskaya Ye. V., Min'kova N O, and Semin O V. “The History of the Development of Russian Cultural Volunteering: Historical and Contemporary Practices”. International Journal of Engineering and Technology 7, no. 2.13 (April 15, 2018): 178–182. Accessed May 22, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/11683.