แสนหาญ TS, Januson Dikae, Chaiyaporn Panyindee. Small Low-Cost Air Purifier Controlled by an Android Smartphone. JDC [internet]. 2021 Nov. 25 [cited 2025 Dec. 11];5(1):319-33. available from: https://so04.tci-thaijo.org/index.php/NBTC_Journal/article/view/240836