TY  JOUR
TI  A retrospective analysis of the contents of the categories "space" and "philosophy" as a technique of problem-based learning
KW  space
KW  philosophy
KW  sophists
KW  sphere
KW  earth.
JO  Applied psychology and pedagogy
AU  Khavrak, A..
PY  2017
IS  2
PB  INFRA-M Academic Publishing LLC.