Székely, B. 2022. PROJECT MANAGEMENT, WHAT ASSISTS THE CONSULTANT TO SUCCEDD – WATERFALL OR AGILE METHODOLOGY, MAYBE SOMETHING ELSE?. Studia Mundi – Economica. 9, 1 (Mar. 2022), 91–103. DOI:https://doi.org/10.18531/Studia.Mundi.2022.09.01.91-103.