M. I. Hashim, et al. “Fabrication and Simulation of Silicon Nanogaps PH Sensor As Preliminary Study for Retinol Binding Protein 4 (RBP4) Detection”. International Journal of Nanoelectronics and Materials (IJNeaM) , vol. 18, no. 1, Jan. 2025, pp. 28-35, doi:10.58915/ijneam.v18i1.1684.