Sunarsih, Sunarsih, Priyanto, Agoes, Zamani, Mohd., AND Izzudin, Nur. " A Chebyshev Polynomial on Torque and Thrust Coefficients of Mathematical Propeller Properties for a LNG Manoeuvring Simulation" Journal of Ocean, Mechanical and Aerospace -science and engineering- [Online], Volume 11 Number 1 (20 September 2014)