Oskar Polak
Programista Java
4.38 (478 reviews)
2
active courses
0
removed courses
Oct 2017
first content date
Mar 2021
last content date
3274
total students
478
total reviews
4.38
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