P. Pramadhony, D. Puspitasari, E. Ellyanie, M. Marwani, and R. M. R. Sihombing, “CFD Analysis Of Flue Gas Streamline Through Varied Of Flow Straightener Inclination”, indones. j. env. man. sus., vol. 2, no. 1, pp. 11-14, Mar. 2018.