Witayakiattilerd, Wichai, Pantita Lertkrai, Wachirada Limpanawannakul, and Jirawan Phuphon. 2025. “Optimizing Smart Pole Placement: A Strategic Set Covering Approach in Phra Nakhon Si Ayutthaya”. Thailand Statistician 24 (1):154-68. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/263024.