Promprasansuk, S., Ritthong, W. and Vorarat, S. 2025. Analysis and improvement of PCB manufacturing efficiency using discreate-event simulation: An electrical industry use case. Journal of Applied Research on Science and Technology (JARST). 24, 3 (Sep. 2025), 261490. DOI:https://doi.org/10.60101/jarst.2024.261490.