Kołwzan, Wiktor ; Skowronek-Grądziel, Agnieszka ; Kupczyk, Teresa. Kołwzan, W., Skowronek-Grądziel, A., Kupczyk, T., & Ledzianowski, J. (2022). Study of the nature and dynamics of processes in terms of fractals on the example of selected joint stock companies. European Research Studies Journal, 25(2), 172-197..
,
2022
Skowronek-Gradziel, Agnieszka ; Kolwzan, Wiktor ; Kupczyk, Teresa. Skowronek–Gradziel, A., Kolwzan, W., Kupczyk, T., & Zabierowski, M. (2021). Management of expenditure on the development of higher education – Poland as compared to EU countries. European Research Studies Journal, 24(2), 48-67..
,
2021
Kołwzan, Wiktor ; Skowronek-Grądziel, Agnieszka ; Ledzianowski, Józef. Kołwzan, W., Skowronek-Grądziel, A., Ledzianowski, J., & Małysiak, J. (2021). A variety of processes in decisions making and management. European Research Studies Journal, 24(s1), 592-608..
,
2021