Karnjanasin N, Thanthanakul P- u- ma. Pahonyothin Road and the economic history of Nakhon Sawan. Humanities and Social Sciences Nakhonsawan Rajabhat University Academic Journal [internet]. 2023 Dec. 30 [cited 2026 Sep. 28];10(2):91-103. available from: https://so05.tci-thaijo.org/index.php/hssnsru/article/view/266805