Mohamad Adam, Hanis Sufi, and Nor Haslina Hashim. 2024. “Study on The Effect of PH Towards Copper (II) Bromide Reaction in Surfactant Determination”. Progress in Engineering Application and Technology 5 (1): 535-41. https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/14600.