Kar, R., Azam, N. and C. Chattopadhyaya, M. 2012. Determination of stability constant of 1:1 lanthanum(III)¬chromotrope-2B complex by a graphical method using novel membrane and coated wire electrodes. Bulletin of the Chemical Society of Ethiopia. 6, 2 (Jul. 2012). DOI:https://doi.org/10.4314/bcse.v6i2.