Said Ahmad, Ashaari Haji Amin, Roslan Ali, and Hilmi Md. Tahir. “WITHDRAWAL AND BENDING STRENGTHS OF DOWELS FROM THREE MALAYSIAN TIMBERS”. Journal of Tropical Forest Science (JTFS), vol. 6, no. 1, Sept. 1993, pp. 74-80, https://jtfs.frim.gov.my/jtfs/article/view/1873.