Robles RR. Design and Development of a Compact LED-Based Double-Sided PCB Exposure Unit for Instructional Applications. Int. J. Multidiscip. Appl. Bus. Edu. Res. [Internet]. 2026 Aug. 24 [cited 2026 Aug. 26];7(8):3270–3284. Available from: https://www.ijmaberjournal.org/index.php/ijmaber/article/view/3262