Juswardi, Nabilah Sa'idah, Nita Aminasih, and Singgih Tri Wardana. “Air Pollution Tolerance of Several Species of Trees in the Petrochemical Industry Area Using Air Polution Tollerance Index (APTI) Method”. International Journal of Life Science and Agriculture Research 3, no. 4 (April 16, 2024): 295–302. Accessed May 18, 2024. http://ijlsar.org/index.php/ijlsar/article/view/240.