Malek, M., Ismail, A., Yusoff, M., Mohamed, R., Ahmad, M., & Rusop, M. (2016). Influence of Polyethylene Glycol on the Properties of TiO2Films by Squeegee Method. EDUCATUM Journal of Science, Mathematics and Technology, 3(2), 16-21. https://ejournal.upsi.edu.my/index.php/EJSMT/article/view/47