ZHOU, W.; LIU, W.; WANG, Y.; LV, X. Performance Evaluation of Gas-Fired Heating And Hot-Water Boilers Based On Principal Component Analysis. Journal of Engineering and Technology (JET), [S. l.], v. 10, n. 1, p. 65–81, 2019. Disponível em: https://jet.utem.edu.my/jet/article/view/4585. Acesso em: 21 nov. 2024.