Бушуев, С.Д., Бушуева, Н.С. and Харитонов, Д.А. 2012. Estimation of the organizations in the field of project and program management model IPMA delta. Eastern-European Journal of Enterprise Technologies. 1, 6(49) (Feb. 2012), 4–7. DOI:https://doi.org/10.15587/1729-4061.2011.2370.