Surna Riah, Ahmad saputra, et al. “Design and Build Operational Amplifier Practicum Trainer Based on IC Tl084 and 741”. Journal of Creative Power and Ambition (JCPA), vol. 4, no. 01, May 2026, pp. 489-00, https://edujavare.com/index.php/jcpa/article/view/1247.