Boonyasopon, P., S. M. Rangappa, S. Siengchin, and T. Boonyasopon. “A Perspective on Carbon Footprints and Carbon Reduction in Various Sectors”. Applied Science and Engineering Progress, vol. 19, no. 2, Apr. 2026, p. 7946, doi:10.14416/j.asep.2025.09.010.