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]. 2022 Feb. 5 [cited 2025 Oct. 16];19(2):34-9. Available from: https://ojs.unipamplona.edu.co/index.php/bistua/article/view/1067