O. Rokiah
- (2020): The Influence of Steel Slag as Alternative Aggregate in Permeable Concrete Pavement. Dans: IOP Conference Series: Materials Science and Engineering, v. 712 (janvier 2020).
- (2020): The effects of bottom ash in coastal sand. Dans: IOP Conference Series: Materials Science and Engineering, v. 712 (janvier 2020).
- (2020): Ultimate bearing capacity of peat treated with cement columns in physical model. Dans: IOP Conference Series: Materials Science and Engineering, v. 712 (janvier 2020).