https://www.themandalikagp.com/news/2026/04/17/sean-gelael-pastikan-balap-gt-world-challenge-asia-di-pertamina-mandalika-international-circuit Mandalika Grand Prix Association id 2026-04-17 Sean Gelael Pastikan Balap GT World Challenge Asia di Pertamina Mandalika International Circuit Sean Gelael, GT World Challenge Asia, Mandalika