Sinthorn, Poramin, Supakorn Tirapat, Somporn Katekaew, Ampol Wongsa, Patcharapol Posi, Chanachai Thongchom, and Prinya Chindaprasirt. “Bio-Based Modification of Natural Rubber-Modified Asphalt Using Hard Resin from Yang”. Civil Engineering Journal 11, no. 11 (November 1, 2025): 4762–4783. Accessed January 31, 2026. https://civilejournal.org/index.php/cej/article/view/6162.