Kadam, K. “CELLULOSE SULPHURIC ACID (CSA) AS A BIODEGRADABLE, RECYCLABLE CATALYST FOR AN EFFICIENT FORMATION OF CARBON-SULPHUR BOND: EXPLORED THROUGH THE TRANSTHIOACETALIZATION OF ACETALS AND ACYLALS”. Journal of Advanced Scientific Research, Vol. 11, no. 03, Aug. 2020, pp. 281-7, https://sciensage.info/index.php/JASR/article/view/539.