Anugrahayu, Cindy Candrika, and Cahyorini Kusumawardani. 2021. “Optimization of Energy and Time Variations for Synthesis of N Doped TiO2 Nanotube Using Microwave-Asssisted Hydrothermal Method”. Indonesian Journal of Chemistry and Environment 3 (2):21-28. https://doi.org/10.21831/ijce.v3i2.43509.