00677naa#a2200169#i#450# EN\\bibl\52527 20240509022842.4 2073-1574 20220823b2022####ek#y0engy0150####ca RU Using empirical methods of perception in process of physical phenomenon concept making for students of engineering and technical specialities and directions Journal article Astrakhan Astrakhan State Technical University 2022 7 с. Journal article local Теория и природа явлений. 53.01 Университеты. 378.4 Revina Alla Victorovna vestnik.astu.org