Jabeen, S., and S. Akber. “?VISCOSITY COEFFICIENTS AND ACTIVATION PARAMETERS OF LANTHANUM CHLORIDE IN PU~E AND MIXED SOLVENTS AT DIFFERENT TEMPERATURES”. Biological Sciences - PJSIR, vol. 41, no. 5, Oct. 1998, pp. 229-34, https://v2.pjsir.org/index.php/biological-sciences/article/view/2277.