TRIZ. THEORY OF INVENTIVE PROBLEM SOLVING: LEVEL 1
PETROV, VLADIMIR
TRIZ. THEORY OF INVENTIVE PROBLEM SOLVING: LEVEL 1 - SPRINGER 2019 - 221
9783030042530
658.4035 PET
TRIZ. THEORY OF INVENTIVE PROBLEM SOLVING: LEVEL 1 - SPRINGER 2019 - 221
9783030042530
658.4035 PET