/?output=FEED&user_id=113641&about=1&r=4 en Mukkader Yildiz Tue, 14 Feb 2017 00:00:00 +0000 certification-113641-modern_energy_tapping_foundation_tr https://goe.ac/courses/modern_energy_tapping_foundation_tr.htm BIG +10 congratulations to Mukkader Yildiz for completing Temel Modern Enerji Tapping with GoE trainer Erkan Özkan!