W. Witayakiattilerd, P. Lertkrai, W. Limpanawannakul, and J. Phuphon, “Optimizing Smart Pole Placement: A Strategic Set Covering Approach in Phra Nakhon Si Ayutthaya”, Thail. Stat., vol. 24, no. 1, pp. 154–168, Dec. 2025.