Stadniczeńko, S. L. (2020) “CO-OPERATION AND MUTUAL SUPPORT AS A TASK FOR SELF-GOVERNMENT AND NON-GOVERNMENT ORGANIZATIONS”, Economic and Environmental Studies, 4, pp. 143–152. Available at: https://czasopisma.uni.opole.pl/index.php/ees/article/view/2795 (Accessed: 22 November 2024).