https://www.themandalikagp.com/news/2026/01/15/track-day-di-sirkuit-mandalika-aman-fasilitas-lengkap-dan-berkesan Mandalika Grand Prix Association id 2026-01-15 Track Day di Sirkuit Mandalika: Aman, Fasilitas Lengkap, dan Berkesan Track Day, Mandalika, Mandalika Track Day