Tumolva, T., Kubouchi, M., Aoki, S. dan Sakai, T. (2010) “Effect of Fiber Loading on the Mechanical Strength of NFR Hybrid Composites”, 10(1), hlm. 21-26. Tersedia pada: https://journal.ugm.ac.id/v3/AJChE/article/view/8063 (Diakses: 8Juni2025).