Sugiri, S., Alamsyah, E. M., & Usman, A. P. (2016). Potential of Reinforced Indonesian Glulam Beams Using Grade I (Bengkirai), Grade II (Kamper), Grade III (Nyatoh) Woods for Use in Structural Wood Design. Journal of Engineering and Technological Sciences, 48(2), 150-158. https://doi.org/10.5614/j.eng.technol.sci.2016.48.2.2