Fahmi M, Ghuzdewan TA. Productivity Analysis PC-300 and PC-400 in Earthworks at a Gold Mining Project in Indonesia. J. civil eng. forum [Internet]. 2023Jul.24 [cited 2024Nov.23];9(3):343-56. Available from: https://jurnal.ugm.ac.id/v3/JCEF/article/view/6600