1. Alstone, P., The Off Grid Lighting Market in Sub-Saharan Africa: Market Research Synthesis Report, Lighting Africa, pp. 1-92, 2011.
2. Cai, M., Yang, D., Tian, K., Chen, W., Chen, X., Zhang, P., Fan, X., and Zhang, G., A Hybrid Prediction Method on Luminous Flux Maintenance of High-Power LED Lamps, Appl. Therm. Eng., vol. 95, pp. 482-490, 2016.
3. Dong, X., Wu, Y., Chen, X., Li, H., Cao, B., Zhang, X., Yan, X., Li, Z., Long, Y., and Li, X., Effect of Thermal, Acoustic, and Lighting Environment in Underground Space on Human Comfort and Work Efficiency: A Review, Sci. Total Environ., vol. 786, p. 147537, 2021.
4. European Parliament, TEU, Directive 2009/125/EC of the European Parliament and of the Council of 21 October 2009 Establishing a Framework for the Setting of Ecodesign Requirements for Energy-Related Products, 28510 EN, Off. J. Eur. Union, vol. 61, no. 1, pp. 21-26, 2009.
5. Fotios, S. and Gibbons, R., Road Lighting Research for Drivers and Pedestrians: The Basis of Luminance and Illuminance Recommendations, Light. Res. Technol., vol. 50, no. 1, pp. 154-186, 2018.