S. . Widhipratama and B. U. . Kukuh Widodo, “Characterization of Natural Convection over an Elliptical Tubes Array AR 2.5 and PR 1.25 inside a Thermally Asymmetric Cavity of Various Clearance Ratio”, JMES, vol. 2, no. 1, pp. 13–17, Jul. 2025.