1.
Jamil MS, Mohamad Japeri AZU-S, Abu Bakar AA, Muhammad Ali KA, Ahmat H. Identification of Source Contributions to Air Pollution in Penang Using Factor Analysis. ijie [Internet]. 2019 Dec. 15 [cited 2022 Jul. 4];11(8):221-8. Available from: https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/2472