“Low-Power Self-Biased Widlar Current Source for Sub-µA Biomedical Applications in 0.25 µm CMOS Technology”. ELEKTRIKA- Journal of Electrical Engineering 25, no. 2 (September 3, 2026): 78–85. Accessed September 5, 2026. https://elektrika.utm.my/index.php/ELEKTRIKA_Journal/article/view/767.