Priambodo, A.S. 2019. Studi Komparasi Simulasi Sistem Kendali PID Pada Matlab, GNU Octave, SciLab dan Spyder. Elinvo (Electronics, Informatics, and Vocational Education). 4, 2 (Nov. 2019), 169–175. DOI:https://doi.org/10.21831/elinvo.v4i2.28347.