Dang, T. T. L., Tonezzer, M., Nguyen, T. B., & Nguyen, V. H. (2017). Preparation of Porphyrin/ZnO Organic-Inorganic Hybrid and Its Hydrogen Sensing Property at Low Temperature. Old Journal, 122B, 63-66. https://jst.vn/index.php/old/article/view/879