“New Approach for the On-Line Spectrophotometric Determination of Vanadium (V) In Different River Water via the Use of a Homemade Ayah 6SX1-T-2D Solar-Continuous Flow Injection Analyser”, Iraqi Journal of Science, vol. 55, no. 4hB, pp. 1721–1735, May 2025, doi: 10.24996/ijs.2014.55.4B.%g.