“Kajian Ketahanan Batuan Clay Shale Formasi Jatiluhur Di Sentul City Jawa Barat: Study of Durability Clay Shale Jatiluhur Formation at Sentul City West Java”. 2018. PROMINE 6 (1): 26-32. https://doi.org/10.33019/promine.v6i1.715.