Impact of injection pressure on a dual-fuel engine using acetylene gas and microalgae blends of chlorella protothecoides oleh M. Sonachalam, R. Jayaprakash, V. Manieniyan, .M. Srinivasa Murthy, M.G.M. Johar, S. Sivaprakasam, Mahammadsalman Warimani, Nithin Kumar, Ali Majdi, Majed Alsubih, Saiful Islam, Muhammad Irsyad Abdullah