Jujun Sanggaria, Olan, Jandri, and Junus Mara. “Pengaruh Penambahan Serat Tandan Kelapa Sawit Terhadap Campuran Beton Normal”. Paulus Civil Engineering Journal 5, no. 4 (January 9, 2024): 671–678. Accessed July 24, 2025. https://ojs.ukipaulus.ac.id/index.php/pcej/article/view/13.