Saragih, Albert Daniel, and Sckolastika Ninien H. “Study on the Doping Effect Cr-Doped Fe Metal Powder and Sintering Temperature on Microstructure and Mechanical Properties of Spur Gear Fabricated by Powder Metallurgy”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 8, no. 5 (May 22, 2022): 60–66. Accessed November 23, 2024. https://ijasre.net/index.php/ijasre/article/view/1524.