VAIBHAV S. GALBALE; MADHUKAR S. ZAMBARE; ARVIND D. SHALIGRAM; KISHOR M. SONAWANE. Microcontroller-Based Variable-Spectrum LED Illumination for Industrial Ergonomic Optimization: A Controlled Experimental Investigation of Spectral Effects on Worker Productivity and Visual Comfort. International Journal of Computer Information Systems and Industrial Management Applications, [S. l.], v. 18, n. 11s, p. 283–294, 2026. DOI: 10.70917/ijcisim-2026-2156. Disponível em: https://cspub-ijcisim.org/index.php/ijcisim/article/view/2156. Acesso em: 19 aug. 2026.