/?output=FEED&user_id=116713&about=1&r=4 en Ozcan Ozcelik Tue, 17 Apr 2018 00:00:00 +0100 certification-116713-modern_energy_tapping_foundation_tr https://goe.ac/courses/modern_energy_tapping_foundation_tr.htm BIG +10 congratulations to Ozcan Ozcelik for completing Temel Modern Enerji Tapping with GoE trainer Nimet Özkan!