P. Pitayachaval & P. Watcharamaisakul 2021. Study on a Machine Design of Chocolate Extrusion Based Co-rotating Twin Screw Extruder: A Review . Recent Trends in Chemical and Material Sciences Vol. 1. (Jul. 2021), 21–28. DOI:https://doi.org/10.9734/bpi/rtcams/v1/10583D.