ดึงกระโทก ณ, แสงธงทอง ว. Estimation of Average Current Flowing out from DC Power Supply. sej [internet]. 2019 Sep. 5 [cited 2025 Dec. 6];14(2):25-36. available from: https://ph02.tci-thaijo.org/index.php/sej/article/view/144952