Brinaldi, Arif, and Wawan Purwanto. “Rancang Bangun Alat Uji Tekanan Pegas Katup Toyota Kijang 7K Berbasis Microcontroler”. AEEJ : Journal of Automotive Engineering and Vocational Education 1, no. 2 (December 30, 2020): 85-92. Accessed March 29, 2024. http://aeej.ppj.unp.ac.id/index.php/aeej/article/view/30.