Bambang Pardoyo, Kresno Wikan Sadono, Abdul Haris Baihaqi, Septiawan Pambudi 2020. The Effect of Organic Content on Durability and Unconfined Compressive Strength Test of Clay Shale in Bawen, Semarang. International Journal of Advanced Science and Technology. 29, 3 (Apr. 2020), 6996 - 7003.