National aviation law responses to COVID-19 the case during the Coronavirus Disease-2019 (COVID-19) pandemic, where national law has been
a vital tool
STATE CONCEPT IN THE JOSÉ ARTIGAS’ PRAXISEl presente artículotrata el concepto
de Estado para
José Artigas. Abordar la cuestión es
Efficient esterification of eugenol using a microwave-activated waste kaolin, for the first time, the use of
a catalyst prepared from flint kaolin with microwave irradiation