Ploblem solving. Chalk sketch of two puzzles with words disapprobation and approbation
Schlüsselwörter
concept,
college,
answer,
advice,
learn,
question,
study,
vignetting,
search,
solving,
approbation,
drawing,
decision,
board,
problem,
brainstorm,
blackboard,
balance,
research,
puzzle,
chalk,
university,
solution
Deutsch
