D. O. Awinda, C. W. Mwangi, D. J. C. Bowen, and C. M. Maghanga, “The Adoption of Energy-Efficient Lighting: Practices and Potential among Small-scale Traders in Kenyan Market Centres”, Kabarak j. res. innov., vol. 16, no. 2, pp. 453–465, Aug. 2026.