00599naa#a2200181#i#450# EN\INFRA-M\bibl\71381 20250104145108.6 2500-0543 20231117b2023####ek#y0engy0150####ca RU Negotiations in crisis situations of the professional activity of the police of El Salvador Journal article Moscow INFRA-M Academic Publishing LLC. 2023 9 с. Journal article local Психология. 159.9 Campos Adela Margarita Silva Vozzhenikova Ol'ga Sergeevna zh-szf.ru