Nurrahma Amalia, N. and Qomariah 2026. THE EFFECT OF HDPE PLASTIC WASTE SUBSTITUTION ON SAND IN AC-WC TYPE ASPHALT CONCRETE MIXTURE TO KNOW THE MARSHALL CHARACTERISTICS AND OAC VALUE. Prokons: Jurnal Teknik Sipil. 20, 1 (Feb. 2026), 50–56. DOI:https://doi.org/10.33795/pjts.v20i1.9230.