ฝั้นแก้ว ป., พงศ์พุฒิ ค., พึ่งสุข บ., & ณ ลำปาง พ. (2017). A Comparative Study on Engine Performance of Modified Diesel Engine with Dual Biogas and Pure Biogas Fuel. RMUTL Engineering Journal, 2(1), 25–32. https://doi.org/10.14456/rmutlengj.2017.3