Kirdpipat, P., T. Krongtripop, J. Konpang, N. Intarawiset, and K. Chaiyawong. “Solar battery charger by monitoring via Smartphone application”. RMUTL Engineering Journal, vol. 8, no. 2, Dec. 2023, pp. 1-11, doi:10.14456/rmutlengj.2023.7.