2021/3 and 2021/3 of the journal Вопросы истории естествознания и техники//Voprosy Istorii Estestvoznaniia i Tekhniki

 2021/3 and 2021/3 of the journal Вопросы истории естествознания и техники//Voprosy Istorii Estestvoznaniia i Tekhniki [all articles in Russian with English abstracts, in OPEN ACCESS]

2021/3 

URL (RU): https://vietmag.org/issue.2021.3.3/?sl=ru .

URL (ENG): https://vietmag.org/issue.2021.3.3/ .

2021/4

URL (RU): https://vietmag.org/issue.2021.4.4/?sl=ru .

URL (ENG): https://vietmag.org/issue.2021.4.4/ .