Joseph LUNGU; Lennox SIWALE; Edwin LUWAYA. Study and Effect of Ignition Timing on the Combustion Characteristics of Gasoline En 91 in a Spark Ignition Engine. New Approaches in Engineering Research Vol. 1, [S. l.], p. 104–124, 2021. DOI: 10.9734/bpi/naer/v1/7257D. Disponível em: https://stm.bookpi.org/NAER-V1/article/view/1914. Acesso em: 4 jun. 2026.