Regalado RAA, Ulanday RLP, Marte CJB, Francia JJR. Eco-air purifier using air filter with activated carbon. BOHR International Journal of Civil Engineering and Environmental Science [Internet]. 2023 Oct. 12 [cited 2024 Nov. 23];1(2):87-91. Available from: https://journals.bohrpub.com/index.php/bijcees/article/view/480