Abdul Rahman , S. S., S. A. Ibrahim, R. Hussin, A. R. Ainuddin, and Z. Kamdi. “Eco-Friendly Detergent Powder from Waste Cooking Oil Using Cold Process: Characterisation and Comparative Evaluation”. International Journal of Nanoelectronics and Materials (IJNeaM), vol. 17, no. December, Dec. 2024, pp. 89-93, doi:10.58915/ijneam.v17iDecember.1611.