1.
Khan K, Masood H, Khan TA. ?SPECTROPHOTOMETRIC DETERMINATION OF TITANIUM AND IRON-ApPLICATION TO CHERAT VOLCANIC ASH, N.W.F.P. Pakistan Journal of Scientific & Industrial Research [Internet]. 1998 Aug. 24 [cited 2024 Nov. 22];41(4):217-20. Available from: https://v2.pjsir.org/index.php/biological-sciences/article/view/2274