Prasetyo A, Widadi R, Adiyasa IW. ECTOC (ELECTRICAL CARBON DIOXIDE TO OXYGEN CONVERTER) TO ADD OXYGEN IN THE ROOMS OF BOARDING HOUSES. plt [Internet]. 2015 Jan. 23 [cited 2025 Jun. 3];8(1). Available from: https://journal.uny.ac.id/index.php/pelita/article/view/2757