MUMTAZ, M. R., and K. KHAN. “?THE CATALYTIC EFFECT OF SULPHUR ON SODIUM DIETHYL DITHIOCARBAMATE OXIDATION IN REACTION WITH PLATINUM AND HEAZLEWOODITE”. Biological Sciences - PJSIR, vol. 40, no. 1-4, Apr. 1997, pp. 1-4, https://v2.pjsir.org/index.php/biological-sciences/article/view/2317.