KHUMALO, B. What is Heat; The Photon is Heat. JOURNAL OF ADVANCES IN PHYSICS, [S. l.], v. 15, p. 6018–6038, 2019. DOI: 10.24297/jap.v15i0.7896. Disponível em: https://rajpub.com/index.php/jap/article/view/8054. Acesso em: 27 apr. 2025.