Denny Saputera, MohdHaizam Saudi and Obsatar Sinaga (2021) “PETROCHEMICAL INDUSTRY RAW MATERIAL SPREAD UPSTREAM TO DOWNSTREAM IN THE PANDEMIC COVID-19 PERIOD”, PalArch’s Journal of Archaeology of Egypt / Egyptology, 17(10), pp. 1352-1371. Available at: https://archives.palarch.nl/index.php/jae/article/view/4833 (Accessed: 23April2025).