Singam RT, Marsi N, Mamat H, et al. The Preparation and Characterization on Natural Dyes Based on Neem, Henna and Turmeric for Dyeing on Cotton with Superhydrophobic Coating. IJIE. 2019;11(7):137-143. Accessed August 7, 2026. https://journal.uthm.edu.my/index.php/ijie/article/view/5085