Purba, Iskandar, Suryadi Suryadi, and Febrian Ramadhan. “Pemanfaatan Fly Ash Dan Pasir Tayan Dalam High Performance Concrete (HPC): Studi Kasus Proyek Kereta Cepat Jakarta–Bandung”. Empiricism Journal 6, no. 2 (June 19, 2025): 359–370. Accessed January 29, 2026. https://journal-center.litpam.com/index.php/empiricism/article/view/2745.