Attachaiyawuth, Anuwat, Burachat Kittikornjarus, Nuh Raomat, Krittin Piampricharat, and Monsit Ngamsub. 2021. “Flexural Strength of Fiber-Cement Sheets Using Recycled Gypsum Board As Partial Fine Aggregate Replacement”. Srinakharinwirot University Engineering Journal 16 (2). Bangkok, Thailand:68-78. https://ph02.tci-thaijo.org/index.php/sej/article/view/243298.