KRISHNAMURTHY , N., PALANICHAMY , M., CHELLAMANI , A., ARUL LEO BASTIN , J., MADASAMY , M., VALLINAYAGAM , P., & MADHAVAN , D. (2013). Liquid Phase Depolymerization of Neyveli Lignite Over Phosphotungstic Acid. Asian Journal of Chemistry, 25(13), 7437–7440. https://doi.org/10.14233/ajchem.2013.14801