Oskar Polak
Programista Java
4.39 (477 reviews)
2
active courses
0
removed courses
Oct 2017
first content date
Mar 2021
last content date
3260
total students
477
total reviews
4.39
average rating
12
total content length
Courses
Android - od kompletnego zera do zaangażowanego developera
2.5K
students
6.5 hours
content
Dec 2017
updated
$19.99
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