Makarets, V., M. Ikalchyk, V. Khropost, and A. Kushnirenko. 2026. “Tuning of PID Controller for Tractor Power Take-off Shaft Rotational Speed Using Particle Swarm Optimization Method”. Scientific Progress & Innovations 29 (2):218-24. https://doi.org/10.31210/spi2026.29.02.30.