00492naa#a2200169#i#450# EN\\bibl\112422 20260119144056.1 2311-1402 20201225b2020####ek#y0engy0150####ca RUS RU Predynastic Egypt – the bosom of ancient egyptian civilization Journal article Nizhnevartovsk Nizhnevartovsk State University 2020 9 с. Journal article local Sherkova T A vestnik.nvsu.ru