Klahan, K., Tangsrirat, W., Surakampontorn, W., & Dumawipata, T. (2015). Current-Mode Integrator using OA and OTAs and Its Applications. Science & Technology Asia, 8(2), 26–32. Retrieved from https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/41728