Muhamad Damanhuri, Amir Abdullah, Azian Hariri, Mohd Rizal Alkahari, Muhammad Hafidz Fazli Md Fauadi, and Siti Farhana Zainal Bakri. 2019. “Indoor Air Concentration from Selective Laser Sintering 3D Printer Using Virgin Polyamide Nylon (PA12) Powder: A Pilot Study”. International Journal of Integrated Engineering 11 (5): 140-49. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/4608.