Prakhamsai, S. ., P. . Silthampitag, and P. . Chaijareenon. “Effects of Surface Pretreatment on Polyetheretherketone With Sulfuric Acid on Microhardness and Microscopic Morphology”. Chiang Mai Dental Journal, vol. 38, no. 3, Sept. 2017, pp. 77-88, https://he01.tci-thaijo.org/index.php/cmdj/article/view/204026.