Large question mark made of blocks with question marks. Curiosity and exploration. Search an answer by facts. Analysis and generalization. Cooperation of forces for resolution. Induction and deduction Tote Bag #540656024
Large question mark made of blocks with question marks. Curiosity and exploration. Search an answer by facts. Analysis and generalization. Cooperation of forces for resolution. Induction and deduction Tote Bag #540656024