Ali, Nurul Hidayah, 		Osman, Mohamed Syazwan, 		Mohamad Robi, Fatin Izyani, 		Maidan Dali, Mohd Rumaizan, AND 		Abd Rahman, Mohamad Faizal.
" Colorimetric-Based Concentration Measurement of Manganese Ions using Spectroscopy Approach" <em>Scientific Research Journal</em> [Online], Volume 20 Number 1 (17 March 2023)