A Comparative Study of an Lpg- Spark Ignition Engine using Liquid Sequential Injection TechniqueMohd Mustaqim Tukiman, Norrizal Mustaffa, Mas Fawzi, Shahrul Azmir Osman and Rais Hanizam MadonMATEC Web Conf., 78 (2016) 01050DOI: https://doi.org/10.1051/matecconf/20167801050