Pingki, Pingki, Anis Nismayanti, Sabhan Sabhan, Iqbal Iqbal, Kasman Kasman, and Maskur Maskur. 2024. “The Influence of Eco Enzyme on The Reduction of Electromagnetic Radiation from Mobile Phone”. Gravitasi 23 (1), 1-5. https://doi.org/10.22487/gravitasi.v23i1.16638.