SHREEDHARAN M.D, SATHEESH KUMAR P. “CHARACTERIZATION OF INDOOR AND OUTDOOR AIR QUALITY RELATIONSHIPS IN CHENNAI, TAMILNAU, INDIA.”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 17, no. 12, Dec. 2020, pp. 1521-32, https://www.archives.palarch.nl/index.php/jae/article/view/7031.