phoesalae ื. ., niwat . sawatkaeo, and weerasak . phoesalae. “Betong : A Pathway to Stability”. King Prajadhipok’s Institute Journal, vol. 13, no. 2, Sept. 2020, pp. 41-61, https://so06.tci-thaijo.org/index.php/kpi_journal/article/view/244230.