We officially confirm that
Krzysztof Wolniak
earned a certificate:
OOP: Level 1
Certificate of Achievement
Krzysztof Wolniak
Successfully Completed
OOP: Level 1
Course Completed
July 19, 2015
Course Duration
56:33
Verified Certificate of Achievement
Kevin Bond
Chief Executive Officer
SymfonyCasts
Chief Executive Officer
SymfonyCasts