My Google Scholar
  1. Othman Che Puan, Hardi Saadullah Fathullah, M. Al–Muz–Zammil Yasin, Muttaka Na’iya Ibrahim, Shafini Halim (2013), Effect of Skewed Signalised T–intersection on Traffic Delay. Journal technology, vol 65, No.3, E-ISSN-2180-3722.
  2. Hardi Saadulla, Ilham Ibrahim, Ashiru Sani (2019), Using Pavement Condition Index to Evaluate the Condition of Flexible and Rigid Pavements. Eurasian Journal of Science & Engineering,  ISSN 2414-5629 (Print), ISSN 2414-5602 (Online)
  3. TalalH.FadhilRahel K. Ibrahim and Hardi S. Fathullah (2020), The influence of  CuringMethods on Marshall Stability and Flow. IOP Conference Series: Materials Science and Engineering 671 (2020) 012132, doi:10.1088/1757-899X/671/1/012132