Junsupasen, Suparoek, Witthawas Pongyart, Manutchanok Jongprasithporn, and Nantakrit Yodpijit. 2018. “Low Frequency Noise Reduction With Active Noise Control in Laboratory Settings”. Applied Science and Engineering Progress 11 (1):39-44. https://ph02.tci-thaijo.org/index.php/ijast/article/view/211388.