A Comparison Study of New TiO2/PEG Immobilized Techniques Under Normal and Visible Light IrradiationsR. Zaharudin, S. K. Ain, F. Bakar, M. S. Azami and W. I. NawawiMATEC Web of Conferences, 47 (2016) 05017DOI: https://doi.org/10.1051/matecconf/20164705017