จตุรบูรณ์ ศ, คุปตัษเฐียร ณ. Renewable Energy Feasibility Study: Case Study for A Main Telephone Fixed - Line Exchange Unit in Thailand. j.eng.rmutt [Internet]. 2014 Jun. 30 [cited 2024 May 5];1:55-62. Available from: https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242076