Surender Singh Charan, Dr.Kalpana Randhawa, Rajesh Kumar Sharma, Anuj Kumar. “Export of Sandstone from India to Global Countries :-An Empirical Study of Economic Aspect”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 17, no. 9, Nov. 2020, pp. 1006 -23, https://www.archives.palarch.nl/index.php/jae/article/view/3714.