Development of a highly modified asphalt with SBS polymer from a conventional base asphalt from the Ecopetrol Barrancabermeja 60-70 refinery by varying the polymer concentration. BISTUA [Internet]. 2021 Dec. 22 [cited 2026 Jan. 15];19(2):34-9. Available from: https://srvcohesiva.com/index.php/bistua/article/view/1067