00589naa#a2200169#i#450# EN\\bibl\41288 20241122080745.5 2073-5537 20201216b2020####ek#y0engy0150####ca RU Professional and official development of personnel as basis of company economic efficiency Journal article Astrakhan Astrakhan State Technical University 2020 8 с. Journal article local Экономика. Экономические науки. 33 Fadeeva Irina Evgenievna vestnik.astu.org