Nguyen, Q.-T., Nguyen, H.-D., Nguyen, A.-T., Nguyen, T.-K., Nguyen, Q.-H., Dang, P.-K., Nguyen, T.-V., Nguyen, Q.-B., Le, X.-C., Nguyen, V.-H., Nguyen, H.-T.-H., Mai, B.-T., Nguyen, P.L., Ton, T.-N.-H., Pham, T.-L. and Nguyen, M.-T. 2026. Software-Based Digital PID Control for a Single-Tank Water Level System. Journal of Fuzzy Systems and Control. 4, 2 (Jul. 2026), 187–192. DOI:https://doi.org/10.59247/jfsc.v4i2.374.