Abdul Rahman , S. S., Ibrahim , S. A., Hussin, R., Ainuddin, A. R. and Kamdi, Z. (2024) “Eco-friendly Detergent Powder from Waste Cooking Oil using Cold Process: Characterisation and Comparative Evaluation”, International Journal of Nanoelectronics and Materials (IJNeaM) , 17(December), pp. 89–93. doi: 10.58915/ijneam.v17iDecember.1611.