W. . Jeungthanasirigool, T. . Sirimaskasem, T. . Boonraksa, and P. . Boonraksa, “Comparison of PPO-DRL and A2C-DRL Algorithms for MPPT in Photovoltaic Systems via Buck-Boost Converter”, ijirss, vol. 8, no. 3, pp. 2438–2453, May 2025.