Ramoshweu Solomon LEBELO. Recent Study on Heat Transfer Analysis for a Sphere of Combustible Material of Variable Thermal Conductivity. Advanced Aspects of Engineering Research Vol. 3, [S. l.], p. 82–91, 2021. DOI: 10.9734/bpi/aaer/v3/7287D. Disponível em: https://stm.bookpi.org/AAER-V3/article/view/370. Acesso em: 3 jun. 2026.