Oktavia A, Sukmana I, Arif YZ, Nama GF. The effect of filler adding palm kernel shell ash on durability and marshall values properties of asphalt concrete mix . JESR [Internet]. 2022Jun.23 [cited 2025Jun.28];4(1):23-9. Available from: http://jesr.eng.unila.ac.id/index.php/ojs/article/view/100