Birahim, Muhamad Fikri Shahkhirin, et al. “Design and Simulation Study of Excitation Coil System With Different Array Configurations for Magnetic Particle Imaging Application”. International Journal of Integrated Engineering, vol. 12, no. 3, Mar. 2020, pp. 278-86, https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/5365.