A. Nordin and M. Abd Majid, “Parametric study on the effects of pinch and approach points on heat recovery steam generator performance at a district cooling system”, J. Mech. Eng. Sci., vol. 10, no. 2, pp. 2134–2144, Sep. 2016, doi: 10.15282/jmes.10.2.2016.17.0201.